Up to 30x longer lifespan - The Diamond Metal Wheel has up to 30x longer lifespan when cutting metal. Its steel body with diamond cutting edge is extremely robust and the disc maintains the same cutting depth and constant speed throughout its long lifespan. Thanks to Bosch's Diamond Technology the disc does not shatter if dropped and produces no chemical smell or extra dust during cutting. It is intended for cutting metals including steel, cast iron, stainless steel and copper. Bosch Diamond Metal Wheels comply with the highest safety requirements, such as EN 13236 It is designed for use with large angle grinders. It features increased safety and healthy cutting. With 22.23 mm bore for standard locking nut angle grinders. Features and Benefits • Up to 30x longer lifespan when cutting metal • Diamond Metal Wheel has up to 30x longer lifespan when cutting metal. • Steel body with diamond cutting edge is extremely robust and the disc maintains a constant cutting depth and speed throughou