Backing pad for angle grinder Backing pad to be used with an angle grinder to polish stone. Dia: 100mm Thread: M14 Velcro: No Max RPM: 8,600 Application: This is a backing pad for an angle grinder to use fibre discs. The range of fibre discs can be viewed here. Caution: Due to the high rotation speed of angle grinders, it is not recommended to use polishing bonnets with this backing pad. Attention: Wear eye, face and body protection What's in the box 1 x Angle Grinder Pad for 178 x 22mm Dics M14 X 2 Thread