TUSK Ceramic Fibre Discs - Slotted bore design for use on Angle Grinders. Features a premium sharp ceramic grain for fast, aggressive (yet cool cutting and self sharpening), stock removal and long life. Ideal for cleaning & removal of surface imperfections, deburring, de-rusting & metal edge grinding, levelling of welding seams, blending & finishing for heavy duty applications on hard to grind metal. The disc gets its strength & tear resistance from the heavy fibre backing and engineered resin and technology for additional strength & durability. For use with nylon backing pads (Hard density backer for flat surfaces - medium density backer for curved surfaces).