Made from quality hardened carbon steel for strength, durability, and wear resistance, ensuring long lasting . Fit most grinders and nut, fitting 4-1/2in, 5in, and 7in Angles grinders with 5/8-11 threaded shafts. Includes 4 sets of internal/external grinding nut, 2 adjustable wrenches, and 1 fixed wrench, replacing parts 224399 1, 193465 4, and 224568 4. an adjustable wrench design for quick width matching to grinding nut, simplifying replacement and tightening of external nut. Ideal for automotive and motorcycle maintenance, perfect for professional and enthusiasts to secure or remove Angles grinder flange nut.