0.155 Inch Round String Trimmer Line,5-Pound 0.155-Inch by 492-Foot Nylon Weed Wacker String,Commercial Heavy Duty Weedeater Line Fit for E GO,H Art,R yobi,S hindaiwa,S tihl

What It Is

This is a 0.155-inch diameter round trimmer line sold in a 5-pound spool (492 feet total), designed for heavy-duty commercial use in gas and high-end electric string trimmers. It’s meant for clearing thick weeds, brush, and overgrowth where standard line snaps or wears too fast.

Fitment & Compatibility

• Line diameter: 0.155-inch (3.9mm). Confirm your trimmer head accepts this size—most gas trimmers (e.g., Stihl, Husqvarna, Echo, Ryobi) and heavy-duty electric models do, but smaller electric trimmers (e.g., 20V Ryobi, EGO) may require 0.080–0.095 inch.
• Brand compatibility: Advertised to fit EGO, Hart, Ryobi, Shindaiwa, and Stihl. However, “fit” means the line diameter works in the head—not that it’s OEM. Check your trimmer’s manual or head for max line diameter (usually stamped on the head or cap).
• Spool vs. pre-cut: This is bulk line, not pre-wound spools. You must cut to length and wind yourself. If your trimmer uses a specific spool design (e.g., SpeedFeed or Tap-N-Go), this line will still work if diameter matches.
• Measurement check: Measure your current line with calipers. A 0.155 line is thicker than most homeowner lines (0.095–0.130) and may not fit bump-feed heads with narrow exit holes.

Key Things to Know

• Durability vs. flexibility: Round 0.155 line is stiff and resists wear, but can be brittle in cold weather. It’s not as forgiving as twisted or serrated shapes for edging or light trimming.
• Installation: Easy if your head accepts bulk line. Cut 15–20 foot lengths, wind evenly, and avoid overlapping. Over-tightening can jam the head.
• Noise & vibration: Thicker line creates more vibration and noise than thinner lines. Not ideal for quiet residential use.
• Spool size: 5 pounds is a lot—suitable for commercial landscapers or large properties. For occasional use, a 1-pound spool is more practical.

Should You Buy It

Buy this if you own a gas or high-torque electric trimmer that accepts 0.155-inch line and you regularly tackle thick weeds, blackberries, or roadside brush. Skip it for light lawn edging or small electric trimmers—the line is overkill and may not fit your head.