Material: Made of high-quality carbon steel, with high strength, not easy to deform hard drives and other accessories. Quick-release nut: Adopted non-slip design, which will not fall off during use. Easy installation: No mounting tools are required, and installation and removal are quick. Wide range of applications: Compatible with all M14 angle grinders. Package: 2 x Quick-release nut Material: Made of high-quality carbon steel, high strength, not easy to deform. Quick-release nut: Adopted anti-slip design to prevent it from falling off during use. Easy installation: No mounting tools are required, and installation and removal are quick. Wide range of applications: Compatible with all M14 angle grinders. Package: 2 x M14 quick-release nut Delivery quantity: 2 pieces Product color: silver Product size: diameter 50 mm Note: Manual measurement, please allow an error of 1-3 cm. .Lonvre