5 Best String Trimmer Lines - May 2026

Round string trimmer line made of strong nylon that's suitable for most lawn trimming jobs.
Low priced roll is good for 13 refills.
Straightforward to wind and feed through trimmer spools.

CONS

On the brittle side and can break when trimming dense weeds.
Some contained tangled line.

ANLEOLIFE

Commercial Square String Trimmer Line

Square Option

Quirks aside, this square trimmer line is a good choice for tackling most dense weeds and grass.

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PROS

Works fast, thanks to the square shape that easily knocks down tough weeds and grass with minimal effort.
Compatible with just about any weed trimmer.

CONS

Takes a little time and effort to wind onto a spool.
Line cutter doesn't work very well.
Occasionally jams.

Weed Warrior

Pulverizer Twist String Trimmer Line

Most Versatile

Twisted string trimmer line that's compatible with the majority of trimmers by various brands.

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PROS

Features a twisted design for eliminating tall, thick weeds and grass and minimizing vibration during use.
Easy to use.
A good match for most string trimmers.

CONS

Jamming in auto feed function is likely.
Breaks easily, so expect frequent spool refilling.

Oregon

Platinum Gatorline String Trimmer Line

Feature-packed

Versatile twisted trimmer line that's worth considering for small to moderate trimming needs.

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PROS

Twisted line does a good job reducing noise and vibration while you work.
Simple to load onto a spool.
Not likely to weld, even in extreme conditions.

CONS

Doesn't always live up to its promise of being impact resistant.
Not ideal for trimming thick weeds.

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How We Tested

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First Reviewed

June 12, 2021

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considered

Hours
researched