21-380B 0.080 in Round String Gatorline Trimmer Line, 416 ft 1 lb Bulk Donut, Compatible with Stihl DeWalt Ryobi Greenworks

What It Is

This is a bulk spool of 0.080-inch round trimmer line, 416 feet long (1 lb donut), designed for electric and gas string trimmers. It’s a universal replacement line for light-to-medium trimming tasks like edging grass along fences, sidewalks, and flower beds.

Fitment & Compatibility

Check three things before buying:

• Line diameter: 0.080 in is standard for most electric trimmers (e.g., Ryobi 40V, Greenworks 40V/60V, DeWalt 60V, Stihl FSA 45/56, and many gas models under 30cc). Do not use in trimmers requiring 0.095 in or thicker—it will snap or cause poor feeding.
• Spool type: This is bulk line, not pre-wound spools. You’ll need to cut and load it yourself. Works with any trimmer that accepts 0.080 in line, including bump-feed, fixed-head, and auto-feed systems.
• Brand/Model: Compatible with Stihl (FSA 45, FS 40), DeWalt (DCST970, DCST920), Ryobi (RY40200, RY40401), Greenworks (21062, 21262), and many others. No OEM-specific spool required—just standard diameter.

Key Things to Know

• Build quality: Gatorline is a respected aftermarket brand; this line is round, not twisted or serrated. It’s slightly stiffer than OEM line but feeds reliably in most bump heads. Expect moderate durability—fine for grass, less ideal for thick weeds or brush.
• Installation: Easy, but you must cut your own lengths (typically 12–18 ft per spool). No pre-wound convenience. Watch for tangling when unwinding from the donut—use a string winder or wind by hand slowly.
• Common gotcha: The 0.080 in diameter can feel thin if you’re used to 0.095 in. It wears faster against concrete or gravel. For heavy-duty trimming, step up to 0.095 in.
• Value: 416 ft for $15.20 is about $0.037/ft—cheaper than most OEM line. Good for frequent trimming or multiple trimmers.

Should You Buy It

Buy this if you have an electric or small gas trimmer that uses 0.080 in line and you don’t mind loading your own spools. It’s a solid value for light-duty trimming, but skip it if you need thicker line for heavy brush or prefer pre-wound convenience.