Mirka Pad Saver Ø 125mm 33-hole, 1 piece, for protecting sanding discs with Hook & Loop coating, 8295412111 Suitable for 8-hole, 9-hole, 17-hole system and net abrasives (Mirka Abranet) The protective pad protects the sanding disc of your sanding machine or sanding block from damage and protects the Hook & Loop surface The protective pad is attached to the sanding disc and under the sanding disc