The set includes a ball, nut and washer Towbar ball designed for Quads, lawn mowers, some agricultural machines, slow-moving vehicles or cars with similar holes. We are the manufacturer of the offered hook balls. We use high-quality materials for production. Our balls are designed to fit perfectly with the hooks. The appropriate selection of material and dimensions improves the pull and durability of both the hook and the hitch. After production, each ball is checked for quality and workmanship to ensure that you are satisfied with your purchase.Technical data: Total height - 120mm Thread length: 52.5mm Ball diameter - 50mm Screw thread - M22 Fits into a hole of at least 22 mm Fits popular quad brands such as: Grizzly Rincon Brute Force Honda Yamaha Suzuki and many others