General description The 28mm Brush Cutter Gearbox is a universal gear head designed for lawn mowers, grass trimmers, and chainsaws. Made from high-quality aluminum alloy and steel, this gear head is rust-proof, corrosion-resistant, and offers excellent oxidation resistance. With an inner diameter of 28mm and 9 splines, it serves as an ideal replacement part for your old or broken gear head, ensuring stable performance across various applications. Technical specifications Material: Aluminum alloy and steel Inner diameter: 28mm Teeth: 9 splines Compatibility and accessories Compatible with brush cutters, trimmers, lawn mowers, and chainsaws Installation Easy to replace; simple and convenient to connect to the trimmer Usage Ideal for gardening, agriculture, animal husbandry, breeding, and forestry