155 String Trimmer Line,Round Green Heavy Duty Weed Eater String, Premium Nylon Universal 0.155" Diameter x 3LB -299ft for Lawn Edging & Thick Weeds

What It Is

This is a 0.155-inch diameter round nylon trimmer line, designed for heavy-duty weed eating and lawn edging. It’s meant for gas-powered trimmers and edgers that can handle thick weeds, brush, and overgrown grass.

Fitment & Compatibility

• Diameter check: Only fits trimmers that accept 0.155" (3.9mm) line. Do not use in trimmers rated for 0.080"–0.130" line—it will jam or damage the head.
• Length: 299 feet per 3 lb spool—enough for multiple reloads on most standard trimmer heads.
• Trimmer type: Works with universal bump-feed, manual-feed, and fixed-line heads that accept round line. Not for electric or battery trimmers (they typically use thinner line).
• OEM vs aftermarket: No OEM restrictions—compatible with any brand that uses 0.155" round line (e.g., Echo, Stihl, Husqvarna, Ryobi, etc.). Check your trimmer’s manual for maximum line diameter.
• Shape: Round, not twisted or serrated. If your trimmer head requires a specific shape (e.g., star or square), this won’t fit.

Key Things to Know

• Durability: Heavy-duty nylon resists breakage against thick weeds and light brush, but will wear faster on concrete or gravel edging.
• Installation: Easy to spool—just cut to length and wind. No special tools needed. Pre-cut lengths vary; you’ll cut your own from the bulk spool.
• Common gotcha: The 0.155" diameter is thicker than standard homeowner line. Confirm your trimmer’s maximum line size to avoid overloading the head or causing vibration.
• Weight: 3 lb spool is heavy—great for long jobs, but can be awkward to handle if you only need a few feet.

Should You Buy It

Buy this if you have a gas trimmer rated for 0.155" line and regularly tackle thick weeds, brambles, or overgrown edges. It’s a solid value for heavy-duty use, but skip it for light trimming or if your trimmer requires a thinner or shaped line.