1、Nonslip Gear Design: This angle grinder locking plate is designed with non slip gears to provide a good grip for quick and easy mounting and dismounting of the grinding discs on the angle grinder by simply screwing it on and off. 2、Excellent Stainless Steel Material: This grinder wrench set is made of excellent stainless steel material, which is stronger, more rugged, abrasion resistant and has good heat dissipation, which is conducive to prolonging the service life. 3、Adjustable Design: This angle grinder lock wrench features an adjustable design, which is compatible with most grinders and locknuts, universal fit for 4in, 5in, 6in 7in and 9in angle grinders. 4、M10 Mounting Threads: This angle grinder lock plate features M10 mounting threads for securing grinding discs or other attachments to M10 angle grinders and is compatible with most angle grinders with M10 spindles. 5、Wide Application: This angle grinder wrench set has a wide range of applications and can be used in the machining industry, automotive repair industry, construction industry, woodworking industry, etc.