Top 7 Best Trimmer Line of 2020: Review & Buying Guide

If you own a string trimmer for the purposes of lawn decoration and maintenance, it is essential to maintain it from time to time. And the most important piece, the one that hits the weed and the unwanted foliage, is what requires replacements the most. This is because trimmer lines are not usually designed to last over long periods of time. They will wear out sooner or later. Wherefore, we have created this review to allow you to buy from some of the best trimmer line available online to ensure your string trimmer runs efficiently.

A string trimmer is made of strong material that cuts through most plants and bushes by whipping through them which sheers them away with ease and precision. Different trimmer lines are available at different prices and have features that are very different from each other. Choosing the correct type of trimmer line will also ensure that your grass trimmer or string trimmer runs efficiently.

Some consumers may be confused as to how to go about buying the trimmer line that will work best for their string trimmers. For that purpose, in addition to the review, we have also provided a buyer’s guide to help you in figuring out what are the factors that should affect your decision.

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Top 7 Best Trimmer Lines

If you are using a string trimmer or a weed trimmer, you have to have enough trimmer line – there is no way around it. However, knowing which products are some of the best in the market can require a lot of research and time spent searching on the internet. Fortunately for you, we have listed down the best trimmer line available in the market these days. So, without further ado, let’s get to the review.

*Below, you'll find our more detailed reviews, but you can also click the links above to see current prices or read customer reviews on Amazon.

best trimmer line

Via Amazon.com

If you are looking for the best trimmer line, this product by Black and Decker should do it. This product will supply ample amount of string. It is very easy to use and fits in a host of string trimmers. Being the best in the business, it is integrated with state-of-the-art automatic feed spool technology. The string trimmer lines use centrifugal force to feed the line which allows you to keep trimming non-stop.


The 3-pack of trimmer lines contain spools of 30ft. will ensure that your trimmers remain operational. These lines are durable and wound for reliability. Every single line is weather proof and its construction ensures that it remains working for long periods of time. It also fits with a variety of models.


There is no need for you to hand-wind string trimmers as the Black and Decker string trimmer line system takes care of that. These can be replaced with ease even if you are working with them for the first time. If there is any problem with the string line that you encounter during normal use, you can get it replaced immediately. There is a 2-year warranty on this product which allows you to purchase this without any worries. Being our Editor’s Pick, you can safely use this product without any hassle.

Pros 

  • Lightweight
  • Compatible with most models
  • Easily replaceable spools
  • Automatic feed spool
  • Great customer support and warranty
  • Durable construction

Cons

  • Costlier than hand wound spools
best trimmer line

Via Amazon.com

As our alternative pick, we have this amazing product by Worx. This pack contains 6 trimmer lines of 10 feet each made out of copolymer nylon resin. This is easily one of the best trimmer line on our list. The spools are pliant and flexible which allow the line to stretch and cushion on impact with hard surfaces.


The Worx trimmer lines are designed aerodynamically which allow less drag and provide for more efficient cuts. Unlike other trimmer lines that have only 68 pounds of strength, this trimmer line has 100 pounds of strength that trumps most other spools in the market. Each pack is loaded with DoubleHelix cutting lines that provide the best cutting performance every time.


They come pre-wound and can be replaced with ease in only a few seconds. Even if you are an amateur, you wouldn’t have to do a lot to get them replaced. These spools can be used in various Worx trimmer and edger models. It is cheaper than most trimmer lines as well and its synthetic material design increases its life span by 25 percent. There is also an option of a 30-day replacement, so if you find any fault with the product you can get it replaced for free.

Pros 

  • Lightweight
  • 100 pounds of strength
  • Comes pre-wound
  • Made of copolymer nylon resin
  • Has a synthetic material design
  • Easily replaceable
  • Quite cheap

Cons

  • The spool may be wound wrongly
  • Automatic feeding system may not work all the time
best trimmer line

Via Amazon.com

If you are out in the market looking for a line trimmer replacement on a small budget, then this is the perfect product for you. As our budget pick, it is extremely cheap while still being durable. Its single line spool feeds automatically for Greenworks string trimmers. With this product you do not need any extra tools as it pops in and out of the trimmer for ease of use.


As an electric trimmer line, this product is compatible with all Greenworks trimmers and is therefore quite versatile. It is perfect for string trimmers of 20, 24, and 40V. It is extremely durable which makes it ideal for lawn work. The trimmer line has three replacement spools for dual trimmer line and is easily one of the best trimmer line provided by Greenworks.


The product also comes with a user guide that helps you assemble it with complete ease. What’s more – there is also a 3-year warranty on this product. If you find any defects, you can always return this product and get your money back.

Pros 

  • Very cheap
  • Made out of durable material
  • Has a 3-year warranty
  • Compatible with multiple electric trimmer models
  • Effective and ideal for lawn work
  • Lightweight
  • Easy installation
  • Work well with “auto feed”

Cons

  • Can come apart after a while
  • The ends can get fused with the rest of the spool
best trimmer line

Via Amazon.com

Want to upgrade your trimmer line and get the best trimmer line available in the market? Then this product is for you. As our upgrade pick, this trimmer line is a heavy-duty product. You will be impressed by how easily this line can cut through weeds, like hot knife through butter. Thanks to the design, it also lasts longer than one would expect.


The line has a twist in it which makes it practically indestructible as it remains aerodynamic and reduces resistance. This trimmer line is sure to provide you with nice, clean cuts even on abrasive surfaces. If you trim near hard surfaces, you may have noticed that these surfaces can significantly damage the line. But that is surely not the case with this product.


The overall weight of the line is five pounds while the length is 1140 feet. The shape of the lines allows it to trim without creating much of a “fan” effect which tends to blow the grass down after cutting. If you have been struggling to find the best trimmer line for your string trimmer, this may be the perfect product for you.

Pros 

  • Heavy duty
  • Longer trimmer line
  • Cuts through with ease
  • Very little blow down
  • Aerodynamic
  • Last long

Cons

  •  A little on the expensive side
  • Can be a little heavy
best trimmer line

Via Amazon.com

This US company is known worldwide for its high-quality products. Here too it retains its reputable quality by offering the most well-recognized trimmer line series. This product comes in the square shape and has multiple sides which offer cleaner cuts.


These lines are designed specifically for thicker weeds and heavy grass. The trimmer lines havea high-strength core and weld-resistant durable outer layer. This heavy-duty trimmer line is made of dual polymer and is enforced by aramid fibers. This adds to the durability of the product and increases its longevity. The spool packaging has a diameter of almost 10 inches.


The trimmer line is also highly resistant to abrasion and breakage, meaning that you can use your trimmer line against hard surfaces like fences and driveways as well. There is less engine drag, vibration and noise when these trimmer lines are installed. The lines can also load easily within a span of 20 seconds thanks to Gator speed load. The length of the spool is long enough for both commercial and domestic purposes.

Pros 

  • Has a consistent line diameter
  • Resistant to abrasive surfaces
  • Less engine drag
  • Durable construction
  • High inner strength
  • Long life
  • Fits all standard trimmer heads
  • Easy to store and dispense

Cons

  • May break if exposed to rocks
  • A little on the expensive side.
best trimmer line

Via Amazon.com

Here is another budget trimmer line option for you. Maxi-Edge is available at a competitive price and is ideal for commercial purposes. The spool fits both gas and electric string trimmers of various brands and models as it has the standard diameter of 0.065 inches. With Arnold trimmer line, your trimmer is bound to last much longer and provide you with the best cutting performance.


With 50 plus years of experience, this company provides reliable and trustworthy trimmer lines. It is clearly one of the best trimmer line companies in business nowadays. Thanks to its meticulous design, the trimmer line has specific parts that will suit your trimmer perfectly. The line cuts better and is very easy to use.


Its durable polymer construction provides extra mass and a sturdiness that is the hallmark of a premium product. This trimmer line cuts three times more area than residential lines. Its edged line shape is known to provide better cutting experience. As a freebie, the package includes a cutting tool to enable you to easily cut the trimmer line without any hassle.

Pros 

  • Provides a lot of power for cuts
  • Lasts much longer than standard trimmer lines
  • Lightweight
  • Is quite cheap
  • Has a durable serrated shape construction
  • Ideal for commercial use
  • Fits most models

Cons

  • The free tool doesn’t cut very well
  • Spool can get stuck to itself
best trimmer line

Via Amazon.com

Last, but definitely not the least, on our list is this heavy-duty product by the popular brand Husqvarna. This is easily one of the best trimmer line in the market and knowing Husqvarna’s reputation, we can easily stand by our claim.


This product works with most garden and lawn equipment. It is constructed using a silver color nylon co-polymer. This durable product is ideal for commercial as well as residential purposes. The trimmer blade is made using the latest technology that ensures a long life and great performance. For fast acceleration, good balance, and hard cutting characteristics, the trademark Husqvarna titanium thread is used. This allows the trimmer to use less fuel and make less noise while working.


The trimmer line is pretty thick, with 0.095 inch, and can be quite effective in cutting. This will work well with on thick weeds and grass. A single line can cut hundreds of feet of grass. For someone who is new to trimming, this product is ideal as it is very easy to handle. You can trim a large area with this trimmer line without the need for a replacement.


Although it is quite expensive when compared with other trimmer lines on our list, it wears slowly and lasts much longer than them. You may want to check if its compatible with your trimmer, even though it can feed into just about every trimmer head. This product is highly versatile and strong and is sure to be one of your best buys this year.

Pros 

  • Durable against hard surfaces
  • Wears slowly and lasts longer
  • Quiet
  • Works well on thick grass and weeds
  • Applies to all standard trimmers
  • Great for medium amount of work
  • Perfect for delicate landscaping

Cons

  • Can be quite expensive
  • Not built for high-torque models
  • Blade can break if it comes into contact with hard things.

With that we end our review of the 7 best trimmer line models that are sure to fit into most string trimmer brands and model types. But our article doesn’t end here. Before you pick one, you need to be aware of all the things that come into play when deciding which trimmer will be ideal for you. For that we need to dive into our buyer’s guide.

Things To Look For In The Best Trimmer Line – Buyer’s Guide

If you use string trimmer regularly, you already know how important it is to get the correct trimmer line for it. Not all trimmer lines are created equal. There are many things that you should consider before getting a spool of trimmer line. In all cases, this will depend mostly on the type of string trimmer that you are using.

best trimmer line

Just figure out what features are the most crucial to you:

Size of the Line


Firstly, you need to consider the diameter of the trimmer line. This will determine the material that it can handle. All in all, there are three categories of trimmer line sizes. Firstly, there are light diameters which range between 0.065 to 0.08 inches. Secondly, there are medium diameters that range from 0.085 to 0.105 inches. Lastly, there are heavy-duty trimmer lines. These have a diameter of 0.11 inches or larger and are mostly used for commercial purposes.


Shape of the Line


Another factor that plays an important role in buying the best trimmer line for your string trimmer is the shape of the line. You may not realize this but the shape of the trimmer line greatly affects how well it will work. Most often you will find round, serrated, triangular, and square lines. Your job will depend on the shape of the line.

  • RoundIf all that you need is to trim grass, then this should do just fine. This trimmer line shape is only good for jobs around the house. Although they are the least durable and powerful, they are easily replaceable.
  • Multi-sided – There are many shapes that fall under this category. Triangular, square, star, and pentagon shapes are all multi-sided trimmer line shapes. They are ideal for medium-level jobs and are perfect for homeowners. It is much better at providing cleaner cuts than round trimmer lines. Although it can sheer through heavier weeds with ease, it can get damaged if it comes into contact with rocks and fences.
  • Twisted  For increased efficiency, twisted trimmer lines are the best bet. They are a step above the round trimmer lines as they provide a lot of power and make less noise and vibration. You can also expect to get a cleaner cut every time.
  • Serrated  If you need to cut through a lot of weeds, a serrated line is the best trimmer line for you. Their teeth-like edges make it easier to cut through tough weeds and their power makes the whole task more manageable.
  • Square For tough jobs that require the cutting of thick weed around rocks and trees, a square trimmer line is ideal. Its thicker multiple cutting sides allow it to go through any type of grass with ease.

Length of the line


It is important to note the length of the line that you are getting for your money. If you are getting a heavy-duty trimmer line, you do not require a lot of line as these will not be replaced frequently. On the other hand, getting a cheap line with a lot of length can be alluring, but it is possible that you may run through it in no time.


Durability


Before you buy a trimmer line, it is best to check out the reviews online to know how it fares against the rest in terms of durability. If your trimmer line keeps breaking frequently, it is going to be very time-consuming and is going to cost you a lot as well. A good trimmer lines doesn’t need to be replaced often.


Material used


The material that the trimmer line is made of will determine how durable and expensive it is. The best trimmer line for homeowners is made of plastic or nylon. For heavy-duty trimmer lines, aluminum or synthetic polymers are used. In most cases, more than one material is used to provide heavier lines that are durable and long lasting.


The best trimmer line that money can buy are made of titanium. They are better at providing faster rates of acceleration than trimmer lines made of other materials. They also will save money on fuel as using titanium trimmer lines will reduce fuel consumption. Trimmer lines made of titanium provide the best performance as they do not generate a lot of friction. These also fit most models from popular brands, which is an added advantage.


Compatibility


Before you buy a trimmer line, you need to ensure that the line that you are buying is compatible with your trimmer model. Most string trimmers come with a user manual that highlight which sizes can fit it. You will find that most trimmer lines are compatible with string trimmers, be they electric or gas powered. However, there are very thick lines available in the market that may not fit certain trimmers.


Most string trimmer will either have a bump head or a twist head. The former will require pre-cut lines, while the latter will work with trimmer spools.


Price


Although it can be tempting to get a cheaper trimmer spool with a lot of length, investing in a heavy-duty trimmer line may be your best option. Getting the best trimmer line will ensure that you can save money in the long run since they tend to last longer and also provide amazing performance.


Storage


Once you buy, a trimmer line needs to be stored properly as well. You cannot just keep it out in the sun as the ultra violet rays from the sun are going to end up damaging it, regardless of its build. This can result in breakage while using.


Installation Method


Once you buy the line, you are going to determine how you want to install them into your string trimmer. Some trimmer lines require you to manually size, cut and wind, while others take care of this for you. Ultimately, the factor that you are looking for is convenience.


Pre-cute line


This type of line is already sized to be perfectly lined. This takes away half of the work as you don’t have to worry about the number of perfectly sized lines that you need. All that you need to do is to pull out the line and wind it up. However, there is a catch. If you make a mistake while winding, then the line is wasted.


Spooled Line


Lines that come in spools are the new way of refilling your string trimmers. All you have to do is make sure the spool is full and the easy installation method pops in and out with an automatic feeder. Once you are done, you don’t have to worry about refilling your spool for a few days.

Conclusion

If you have a gas or electric string trimmer, then sooner or later your trimmer line is going to wear out. Depending on the type of work that you do and the length of your lawn, you may have to regularly look for trimmer lines. Without these, you cannot get any work done.

Nowadays, trimmer lines come in various shapes and sizes and cater to a wide range of needs. Regardless of whether you are simply using it on your home lawn or cut through weeds and thick grass regularly, knowing exactly which is the best trimmer line for you can make a huge difference. Not only will it provide you with the best performance, but it will also save you a lot of money in the long term.

We hope that the seven trimmer lines that we have reviewed has been beneficial to you. Furthermore, the trimmer line buyer’s guide should provide you with all the information that you need to know to get the perfect match for your string trimmer. Always remember that a good investment will take care of all your gardening needs for years to come. However, if you are on a budget, you may have to shop around to get the best deal available.

If you want to know more about how to go about installing a trimmer line on a traditional bump head string trimmer, watch this video.

Don’t forget to like, and share this review with someone whom you know would benefit from it. If you want to add to our list or describe your own experience with garden maintenance tools, write to us in the comment section below. Until next time, keep whacking!

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