Professional tool for commercial or occasional use. Ideal for precision cuts in a number of materials including aluminium / brass / copper / wood / plastics / glass / carbide / ceramics etc... Endurable blade offers faster cutting and extra life for hobbyist. Diamond coated on both sides for strength and durability. Total diameter of the disc 2" (50mm). Suitable for use in small confined areas. Comes complete with an 1/8" shank so suitable for any micro grinder / mini drill / etc... Maximum speed 30,000 RPM. Thin blade provides precision cuts 0.4mm up to 0.8mm.