【Material】-- Made of high-quality metal, durable, rust-proof and corrosion-resistant.
【Size】-- Thrust washer diameter is 3.15 inches, screwdriver length is 5.1 inches, slide diameter is 1.6 inches, lock nut diameter is 0.8 inches.
【Function】-- Protect the thread cutter, reduce the friction of the pan head, and run fast.
【Easy to Install】-- Loosen the trimmer head directly, replace the blade, install the thrust washer, slide the pad plate, and then use a screwdriver to tighten the blade.
【Compatability】-- Universal fit for Stihl, Echo, Homelite and Husqvarna.
