Material - The brush cutter reducer is made of high quality aluminum alloy and steel, it is rust-proof, corrosion-resistant and has excellent oxidation resistance. 26mm inner diameter + 7 splines; as needed. Replacement Part - The brush cutter gear head is the ideal accessory for the trimmer; It would be a great replacement for your old or broken one. Compatible - The brush cutter reducer can be used normally for brush cutters, trimmers, lawn mowers, etc. Easily replaceable part, it is simple and convenient to connect the mower. Wide Applications - The lawn mower reducer provides stable performance and good working condition, ideal for gardening, lawn, farming, breeding, breeding and forestry. Note: The data is all manually measured, please allow an error of 1-3cm, due to the difference in light and display, there will be a certain color difference, the actual received object will prevail.