105 Trimmer Line, String Trimmer Line .105, Weed Eater String .105, 105 String Trimmer Line, 105 Weed Eater String Heavy Duty 0.105 Inch-1120Ft-5Lb Fits Most String Trimmer (Square), Orange

What It Is

This is a heavy-duty 0.105-inch square trimmer line, designed for string trimmers and weed eaters. It’s intended for medium-to-heavy cutting jobs like thick grass, weeds, and light brush, and comes in a 1,120-foot spool (5 lbs) for high-volume users.

Fitment & Compatibility

• Line diameter: 0.105 inches – fits most trimmer heads that accept line sizes between 0.095 and 0.110 inches. Check your trimmer’s manual or head specs before buying; some heads have a max diameter limit.
• Brand/model: Universal fit for most gas and electric string trimmers (e.g., Echo, Husqvarna, Stihl, Ryobi, Troy-Bilt, Craftsman, etc.) but not guaranteed for all – verify your head’s compatibility with square line (some heads prefer round or serrated).
• Square shape: Provides better cutting edge and durability than round line, but may not load easily into heads designed only for round line. Check if your head has a square-line slot or uses a bump-feed system that can handle square profile.
• Length: 1,120 feet – suitable for commercial or heavy residential use; may be excessive for occasional homeowners.

Key Things to Know

• Quality: Heavy-duty, resists breaking and fraying better than standard round line, especially in thick weeds or against fences.
• Installation: Moderate difficulty – loading a full spool takes patience. Pre-wind by hand or use a drill with a line winder to avoid tangles.
• Common gotchas:
  • Square line can be stiffer than round, making it harder to feed in cold weather.
  • Not ideal for light-duty trimmers with small heads (e.g., 0.080-inch max) – may cause jamming or over-stress the motor.
  • Orange color fades quickly in sun but doesn’t affect performance.
• Cost: $36.99 for 1,120 ft is competitive for heavy-duty line; cheaper per foot than most big-box store packs.

Should You Buy It

Buy this if you have a medium-to-large trimmer (gas or high-power electric) and regularly tackle thick weeds, briars, or tall grass. It’s a good value for frequent users who want durability without paying premium for brand-name line. Skip it if your trimmer head only accepts round line or if you only do light, occasional trimming – you’ll waste money and struggle with loading.