Lasts up to 1.5x longer than a Bosch Standard for Metal Disc (2608619767) Highly efficient for metalworkers: Long Life With 22.23 mm bore for standard locking nut angle grinders For cutting stainless steel and metal in general metalworking applications Scope of delivery: Bosch PRO Stainless Steel and Metal Cutting Disc, 125 x 1 x 22.23 mm