Material: Made of high quality carbon steel, with high strength, not easy to deform hard drives and other accessories. Quick release nut: Adopted anti-slip design, which will not fall off during use. Easy installation: no assembly tools are required and installation and removal are quick. Wide range of applications: compatible with all M14 angle grinders. br />Packing: 2 x Quick Release Nut Material: Made of high quality carbon steel, high strength, not easily deformed Lock Nut Fast: Anti-slip design adopted to prevent it from falling during use. Easy installation: no assembly tools are required and installation and removal is quick br /> Wide range of applications: compatible with all M14 angle grinders. Packaging: 2 x m14 quick release nut Delivery quantity: 2 pieces Product color: silver Product size: diameter 50 mm Note: Manual measurement, please allow 1-3 cm error.