Material - The brush cutter gear head is made of high quality aluminum alloy and steel. It is rust-proof, corrosion-resistant and has excellent oxidation resistance. Available specifications: 26mm inner diameter + 7 splines Replacement part - The brush cutter gear head is the ideal accessory for the trimmer; it would replace your old or broken ones very well. Compatible - The brush cutter gear head can be normally used for brush cutters, trimmers, lawn mowers, etc. Easy to replace part, it is simple and convenient to connect the mower. Wide Applications - The lawn mower gearbox provides stable performance and good working conditions, ideal for gardening, agriculture, animal husbandry, breeding and forestry. Delivery Quantity: 1 piece