130 Trimmer line, 130 Weed Eater String Heavy Duty, 130 String Trimmer Line, Commercial Weed Eater Line .130, Nylon Weed Eater String .130Inch-438Ft-3Lb Fits Most String Trimmer (Square)

What It Is

This is a 0.130-inch (3.3mm) square nylon trimmer line, sold in a 438-foot, 3-pound spool. It’s designed for heavy-duty trimming on commercial or residential gas trimmers, capable of cutting through thick weeds and brush without frequent breakage.

Fitment & Compatibility

• Line diameter: .130 inch (3.3mm) – fits any trimmer head that accepts this size. Do not use on heads rated for smaller line (e.g., .080, .095) as it may jam or overload the engine.
• Trimmer type: Works with most gas trimmers (e.g., Echo, Stihl, Husqvarna, Ryobi, Craftsman) that have a standard bump-feed or fixed-line head. Not for electric or battery trimmers unless the manual specifies .130-inch compatibility.
• OEM vs aftermarket: This is an aftermarket line. No compatibility issues with OEM heads, but check if your head requires a specific shape (e.g., round, star) – square line fits all standard heads.
• Measure before buying: Confirm your trimmer’s line diameter on the head or in the manual. If unsure, measure the existing line with calipers – .130 inch is slightly thicker than 3mm.

Key Things to Know

• Square vs round: Square edges cut faster and last longer than round line, but can be slightly louder. Great for heavy weeds, not ideal for light grass near walls.
• Installation: Easy to load – cut a 20-30 foot length, wind tightly into the head. No special tools needed. The 3-lb spool will last most homeowners a full season or more.
• Common gotchas: Line can become brittle in extreme cold (below freezing) – store indoors. If your trimmer has a “tap-feed” head, the square shape may feed less smoothly than round; test a short piece first.
• Quality: Rated 4.3/5 – users note it’s durable and resists fraying, but a few report occasional snapping on rocks. Not commercial-grade for continuous industrial use.

Should You Buy It

Buy this if you have a gas trimmer that uses .130-inch line and you frequently battle thick weeds, brambles, or overgrown areas. It’s a solid value for the price and length, but skip it if you trim only light grass or use an electric trimmer with a smaller line size.