Exquisite workmanship: The bottom has a fine frosted texture to increase friction, and the nut can firmly lock the grinding wheel and it is not easy to slip. Excellent Material: This collet nut angle grinder is high strength material, high strength work is not inconsistent with m, can withstand 40N torque and 12000RPM high speed. Wide range of applications: the clamping nut is compatible with all angle grinders with an M14 interface on the market, compatible with DeWalt, Metabo, Hilti and of course compatible with all angle grinders not mentioned, such as diamond cutting discs, grinding discs. , cup-shaped grinding discs, diamond plates and other types of grinding wheels. Diameter of upper self-locking pressure plate: 14 mm (approx.) Be consistent with use, check the compatible nut for faults and damage to avoid safety accidents. Color:Silver Material:metal Package Contents: 2 x Flange Nut Set ToolsOnly the above package contents, other products are not included. Note: Light shooting