The innovative ALUMASTER High Speed Disc is a unique product with an extremely high stock removal rate. It is ideal for processing aluminum as it does not generate hazardous or explosive dust. It consists of specially developed tungsten carbide cutting inserts, which are fixed to the High Speed Disc. Special disc for processing aluminum alloys. With its uniquely designed arbor, it can be used both on angle grinders (mounting dia. 3/8") and on straight grinders and flexible shaft drives. It is ideal for working on hard-to-reach areas and delicate components. Guards are not necessary due to the disc diameter of 2". High Speed Disc ALUMASTER HSD-R 2" including pre-mounted tungsten carbide cutting inserts, TORX key, and plastic box.