Orbitrim RM011106 String Head Gas Trimmer The Orbitrim attaches to most gas trimmers and eliminates having to replace trimmer strings or wires; it easily attaches to 99% of the gas trimmers in just seconds The Orbitrim will trim almost anything: hedges, edging, mowing thick grass, trimming bushes and more; the curved bottom lets you float over your grass leaving an even cut Made of durable solid steel so it never breaks unlike regular trimmer string, the Orbitrim also has a safety ring to protect flowers and trees Stop wasting your time replacing trimmer string, get the Orbitrim gas trimmer head and make caring for your lawn easier; it easily attaches to most gas trimmers in seconds The Orbitrim works with 99% of all gas trimmers, DOES NOT WORK WITH ELECTRIC, WALK BEHIND, BATTERY OPERATED or CLUTCHLESS TRIMMERS