Unitized discs, made from pressed layers of non-woven fabric, guarantee an excellent surface finish, cool grinding, reduced clogging and a long service life. The 3SF version, made from silicon carbide, is more flexible and suitable for light deburring, cleaning weld marks and polishing. The 6AM version, made from aluminium oxide, is stiffer and more aggressive, and is suitable for deburring and chamfering, including on edges. 22.23 mm bore for use on angle grinders. Maximum speed 10,000 rpm – recommended speed 5,000 rpm.