1、Excellent Steel: These angle grinder nuts are made of excellent 45 steel, with high hardness, impact resistance, no deformation, can withstand a torsion of 40Nm and a high speed of 12000RPM. 2、Self Locking: These angle grinder nuts feature special self locking design that allows for quick tightening and installation of cutting blades without the need for a wrench or other tools. 3、Knurled Design: The knurled surface on the side and base of the flange nut provides good grip and stability, allowing for easy rotation and secure locking of the grinding disc, preventing slipping. 4、Specifications: This kit includes a gear type locking plate, a black locking plate, and a pull ring locking plate, with standard M10 specification, easy to install and replace, and has strong practicality. 5、Versatile Use: Designed for use with M10 angle grinder, these nuts are suitable for a wide range of applications, including grinding, polishing, cutting, and more, enhance your productivity.