Forged from high-grade manganese steel. Surgical precision and industrial force where nylon strings fail.

Fits 99% of gas & electric straight-shaft trimmers. Husqvarna, Stihl, Ego, Ryobi, DeWalt — if it has an arbor, it fits.
6 pivoting steel blades absorb impact with rocks or thick wood, preventing shaft damage and kickback.
No more feeding fragile plastic line into your yard. Buy once, use for a decade of heavy-duty trimming.
Unscrew your current spool or plastic housing. Keep the original nut and washer.
Drop the steel head onto the arbor. The centered design ensures perfect balance automatically.
Tighten the bolt until you feel mechanical engagement. You're ready for any terrain.
Free shipping · 60-day guarantee
"I used to spend 20 minutes just messing with the string line every time I mowed. This steel head is a beast. Cut through a small sapling like butter."
"Thought it might be dangerous but the pivoting blades are genius. Hits a rock, bounces back, keeps spinning. Worth every penny."
"Installation took 2 minutes. Used the same washer and nut from my standard head. Perfectly balanced, no vibration at all."
"Cuts through heavy overgrowth with ease. Noticed cleaner results and stronger performance right away."
"Really powerful attachment for my trimmer. Makes yard work faster and much less effort overall."