Best X-Line Weed Eater String for Your Trimmer
As an Amazon Associate we earn from qualifying purchases.
An x line weed eater string is simply trimmer line you wind onto a spool and feed through a trimmer head, and the right one depends on two things: the diameter your head accepts and the length or weight you need. In this roundup we sort 11 replacement trimmer lines from the product listings, covering round and square profiles, diameters from 0.065 inch to 0.155 inch, and spool or pre-cut formats. None of the listings in this set describes an “X-Line” profile by name, so treat the phrase as a search term and match the line to your own trimmer manual. The Husqvarna Titanium X-Pro .095 is the one listing that names a Husqvarna trimmer model range, which makes it the most specific option for that brand.
Quick answer
- Match the diameter first. The listings here range from .065 inch to .155 inch, and the owner’s manual or the head label is the reference.
- For a standard gas or cordless trimmer, a .095 or .105 inch round or square spool covers most common heads, according to the listing titles.
- For walk-behind trimmers and heavy brush, the .155 inch options (Shakespeare or BIUVWVZ pre-cut) are the heavier lines in this set.
- Check the profile on the spool, not just the title. One Viabrico listing title says round while its bullets describe a square line.
How to choose a trimmer line for your head
Start with the head, not the product. Most string trimmer heads state a maximum line diameter on a sticker, on the cap, or in the manual. A line that is too thin will break early and wear through faster. A line that is too thick can stall the motor on a light trimmer, and it may not feed through the eyelet at all. The listings in this roundup give diameters in inches and millimeters, so you can compare them directly against the number on your head.
Length and weight work differently. The Viabrico spools list lengths such as 330 feet, 425 feet, 820 feet and 1,017 feet, and their weights run from 1.2 pounds to 5 pounds. A heavier spool with a larger diameter usually carries more material, but it also means more weight on the spindle, and a longer run of line that the head has to spin. If your trimmer runs on a smaller battery, the smaller diameters in this set are the more practical choice, and the listing for the .080 inch Viabrico spool gives a 1.35 pound weight for that reason.
Profile matters for cutting feel. Round line is the most common shape. The Husqvarna X-Pro listing says its round, dimpled co-extruded line uses an undulated surface for quieter operation. Square line is marketed for sharper edges. The Viabrico square listings claim the square shape increases cutting surface area by 300 percent, which is a manufacturer claim and not an independent measurement, so read it as the seller’s description.
Round, square and twisted profiles compared
The three profiles in this set are round, square and twisted. Round line is the common default and is the profile the Husqvarna, ARETITRIN and Viabrico .065 inch listings describe in their titles or bullets. Square line appears on most of the Viabrico listings, and the bullets say the square edges give an even cut. The KEVIDA twisted line describes a twisted profile that creates defined cutting edges. A twisted line is not the same as a square line, so do not assume they behave alike on the same head.
A profile change can affect how the line feeds. Thicker, heavier profiles are usually recommended for heavy weeds, while thinner ones suit edging and light grass. The listings state their intended use in general terms, and none of them gives a cutting test result. Where a listing gives a specific claim, such as the BIUVWVZ bullet that says the line resists melting inside the trimmer head, this roundup reports that claim as written.
Pre-cut, spool and bulk formats
Trimmer line comes in three formats in this set. Spools wind onto a head and are the familiar option, sold in lengths such as 200 feet for the Husqvarna listing and 837 feet for the ARETITRIN 0.095 inch line. Bulk spools cost less per foot in most cases, but they need a head that accepts loose winding. Pre-cut line is supplied in set lengths. The two BIUVWVZ listings are pre-cut at 18.5 inches, with a 24-pack and a 40-pack, and the bullets say they fit walk-behind string trimmers and replace several OEM part numbers.
Pre-cut line removes measuring and winding, which helps when a head accepts pre-cut pieces. It does not suit every head. Check that your head takes pre-cut lengths before buying a pack, because the BIUVWVZ bullets describe them for high-wheel and walk-behind trimmers.
Product-by-product review
Husqvarna Titanium X-Pro .095 Inch String Trimmer Line, 200-Foot Spool
This Husqvarna listing is a 0.095 inch, 200-foot spool in orange. The bullets say it is a round, dimpled, co-extruded line made from a commercial-grade polymer, with an undulated surface for quiet operation and precise cutting. The listing says it is manufactured in the USA and offers resistance to abrasion and reduced breakage. The bullet list includes a specific fit statement: it is described as an includes-one spool for Husqvarna 430LS, 535LS, 535LST, 522L, 525L, 520iLX, 525LS and 525LST models. The listing also says the .095 size works with both gas and cordless trimmers and is available in .095 and .105 inch gauges and in 0.05, 1, 3 and 5 pound spools. The model number on the listing is 596780401. The listing does not state the line’s weight or cutting performance beyond these bullets.
This is the most specific model-fit option in the set, so it makes sense if you own one of the listed Husqvarna trimmers. For other brands, check your head before buying.
.095 Inch Square Orange Heavy Duty String Trimmer Line (Viabrico 1.7 LB, 330 ft)
This Viabrico listing is a 0.095 inch square orange line, described as 1.7 pounds and 330 feet in the title. The bullets describe premium polyamide, a 110 LB tensile figure, high impact resistance and an abrasion-resistance claim. The listing says the material extends the deterioration cycle to five years. That is a manufacturer statement and the listing does not describe how it was measured. The bullets also say the line is precision-wound to reduce misfeeds and tangling, and that it is universal for any gas, electric or cordless trimmer that accepts 0.095 inch line. The listing’s product dimensions are 5 by 3 by 6 inches, and the item weight is 1.67 pounds.
A square 0.095 inch line is a sensible pick if you want the square profile at the most common diameter. Confirm the head accepts 0.095 inch line first.
ARETITRIN .095 Inch Round Orange Weed Eater String, 837 ft
This ARETITRIN listing is a round orange line in 0.095 inch diameter, with a 3 pound rating and 837 feet of line in the title. The bullets say it is a universal fit for gas and electric trimmers, that the bright orange colour makes it easier to see in the grass, and that the round profile offers greater durability than square lines. The listing describes a nylon build and says the round twist design lowers vibration and noise by 30 to 50 percent. That noise figure is the seller’s claim. The item weighs 3.34 pounds and measures 5 by 3 by 5 inches according to the specs. The bullets also say it is suited to grass, weeds and edging. This is the choice in the set when you want the round profile and the longest run at 0.095 inch.
Viabrico .105 Inch Square String Trimmer Line, 330 ft x 2.2 LB
This square orange Viabrico line is 0.105 inch in diameter, 330 feet long and rated 2.2 pounds. Its bullets repeat the Viabrico family description: square shape, 300 percent more cutting surface claim, polyamide construction and a 110 LB tensile claim. The listing says it works with any gas, electric or cordless trimmer that accepts 0.105 inch line. The part number on the listing is 2-65MM-100M-GB-OR and the model field reads 2.65mm, which is a different figure from the 0.105 inch in the title, so confirm the diameter on your spool. This option suits a head that takes a 0.105 inch line and a shorter run than the larger Viabrico spool.
Viabrico .105 Inch Square String Trimmer Line, 1017 ft x 5 LB
This is the longest and heaviest Viabrico option in the set. The title gives 1,017 feet of 0.105 inch square orange line rated 5 pounds. The bullets match the rest of the Viabrico family, including the square profile, the precision winding and the claim that the line stays flexible while resisting abrasion. The listing says it is for gas, electric and cordless trimmers that accept 0.105 inch line. The listing lists its part number as F-2.7MM5LB, and the model field reads 0.105 inch. The item is a heavy spool, and the heavier 5 pound rating suggests it suits heavier heads and thicker growth, but the listing does not give a cutting test, so that is an inference from the rating alone.
Viabrico .080 Inch Square String Trimmer Line, 425 ft x 1.35 LB
This Viabrico spool is 0.080 inch, 425 feet and rated 1.35 pounds, in square orange. It sits between the thinnest and the heavier Viabrico options. The bullets describe the same square profile and polyamide construction as the rest of the family, and state that it works with any gas, electric or cordless trimmer that accepts 0.080 inch line. The listing part number is US-080in-1.35LB. A 0.080 inch line is a reasonable middle choice if your head takes that size and you want a square profile without the bulk of 0.105 inch line.
Viabrico .065 Inch Round String Trimmer Line, 820 ft x 1.2 LB
This is the thinnest line in the roundup. The title gives 0.065 inch diameter, 820 feet and 1.2 pounds, and calls it a round line. The bullets, however, open with the phrase “innovative square shape” and describe the same square benefits as the other Viabrico listings. That conflict matters: a round and a square line can behave differently on the same head, so check the profile printed on the spool or packaging before loading it. If the spool is round, it suits light edging and small trimmers. The listing’s part number is US-0.065-1.2LB. The bullets also say the line works with any trimmer that accepts 0.065 inch line.
Shakespeare Professional Bulk Trimmer Line, .155 Inch x 336 ft
This Shakespeare bulk line is the heaviest diameter in the set at 0.155 inch, with 336 feet on the spool. The title calls it a ballistic tri-edged line, and the bullets say it is designed for heavy duty use, lasts longer than standard trimmer lines, cuts evenly on the first pass, and is made to work with most walk-behind gas trimmers. The listing includes a bonus line cutter and says the line is made in Columbia, South Carolina. The listing says it is an “extremely durable” line. The listing does not state the material or the weight, so this block sticks to what the bullets and title say.
This line suits a walk-behind gas trimmer that accepts 0.155 inch line. Check the head first, because a line this thick will not feed through a light trimmer head.
BIUVWVZ 0.155 Inch x 18.5 Inch Pre-Cut Trimmer Line, 24-Pack
This BIUVWVZ listing is 24 pre-cut pieces of 0.155 inch copolymer nylon, each 18.5 inches long, in a resealable clear bag. The bullets say the line replaces OEM part numbers 490-040-C035, 734-0112 and 731-10080, and that it is made for high-wheel and walk-behind string trimmers from MTD, Cub Cadet, Troy-Bilt, Craftsman, Remington and Yard Machines. The listing describes the material as shatterproof copolymer nylon that resists melting inside the trimmer head. The part number is StringLine02. Use this only if your trimmer takes pre-cut line of this size and your OEM number matches.
BIUVWVZ 0.155 Inch x 18.5 Inch Pre-Cut Trimmer Line, 40-Pack
This is the larger pack from the same BIUVWVZ line. The listing gives 40 pre-measured 18.5 inch pieces of 0.155 inch line, with the same OEM replacement references, the same copolymer nylon description and the same resealable clear storage bag. The listing describes it as ultra-thick and says it is for commercial-grade tasks, but it does not state any load or cutting figure. Pick this pack over the 24-pack only if you go through a lot of line and your head takes the same pre-cut length.
KEVIDA Twisted String Trimmer Line, 0.095 Inch x 1 LB
This KEVIDA line is a twisted profile in 0.095 inch diameter, sold in a 1 pound size. The bullets describe a twisted cutting design that creates defined edges, a nylon build that resists splitting, and a bright red colour that the listing says is easy to see when winding and storing. The listing says it fits many gas and electric trimmers that accept 0.095 inch or 0.106 inch line, and it tells the buyer to check the owner’s manual diameter before installing. The model field reads “Trimmer Line”. Because it is a twisted line, it is the only option in this set with that profile, so it is a fit to consider if you want something other than round or square at the most common diameter.
Options we skipped
Three listings in the candidate set did not make the roundup. The WETOOLPLUS six-pack is a Toro-specific spool set, and its title says it is for Toro 60V Max Flex-Force trimmers with a list of model numbers, so it is a model-specific part rather than a general line. The Litheli and FOKIKIP listings are complete cordless trimmers that include spool line, not replacement line, so they do not answer a line-purchase question.
Mistakes to avoid when buying trimmer line
The most common mistake is buying by the spool length rather than the diameter. A long spool of the wrong size is wasted money. The second mistake is ignoring the profile on the spool. Round and square lines are not interchangeable in every head, and a listing title can disagree with its bullets, as the Viabrico .065 inch listing does. The third mistake is overloading a spool: the listings say the line should be wound snug and not overfilled, and an overfilled spool can jam.
Keep a note of the diameter that came on your trimmer. Write it on the cap or in your phone. Then you can compare any future listing against that number without reopening the manual each time.
FAQ
What is an x line weed eater string?
In this roundup, the phrase is used as a search term for trimmer replacement line. None of the listings here names an X-Line profile in its title or bullets. The Husqvarna Titanium X-Pro .095 inch line is the closest match by brand and model range, and the listing says it fits specific Husqvarna trimmer models.
What diameter of trimmer line should I buy?
Use the diameter your head or owner’s manual specifies. The listings here range from 0.065 inch to 0.155 inch. The .095 and .105 inch options are the common sizes in this set, and the Husqvarna and the Viabrico listings both give the diameter in the title, which makes checking easy.
Is round or square line better?
The listings do not give a head-to-head test, so this roundup cannot say one profile cuts better. The bullets make different claims: the Husqvarna listing describes round, dimpled, co-extruded line with an undulated surface, and the Viabrico listings describe square line with extra cutting surface. Choose based on your head’s recommended profile and any manual guidance.
Can I use pre-cut line in any trimmer?
No. The BIUVWVZ pre-cut listings say they fit high-wheel and walk-behind string trimmers and replace named OEM part numbers. Check that your trimmer takes pre-cut 18.5 inch pieces, and that your OEM number matches, before you buy a pack.
Why does the Viabrico .065 inch listing say round and square?
The title says round and the bullets describe a square shape. The listing does not explain the difference. Check the profile printed on the spool or packaging when it arrives, and do not rely on the title alone when the head depends on the profile.
Does the listing give the line’s durability or life?
Several listings make durability claims, such as five-year deterioration cycles and the line lasting longer than standard lines. These are seller claims. The listings do not show test results, so treat them as descriptions and compare them with your own use.
Bottom line
For most common trimmers, pick a line that matches the diameter printed on your head, then choose a profile that your manual supports. The Husqvarna X-Pro is the choice for a Husqvarna trimmer in the listed model range. The .095 inch round ARETITRIN and square Viabrico spools cover the most common size. For walk-behind trimmers and heavy growth, the .155 inch Shakespeare or BIUVWVZ pre-cut options are the heavier lines in this set.
Related reading
If you are still deciding which trimmer to match the line to, read Best Ryobi ONE+ String Trimmers Compared for the battery trimmers that take this kind of line. For sizing the line to your head, How to Choose String Trimmer Line Size covers the diameter question in more detail.
