【Material】Made of durable PP material which is not easy to break, well-controlled balance and vibration-free operation. Suitable for most rotary polishers such as angle grinders, bench grinders, electric drills and other pneumatic and electric tools.【Dimension】 Sanding plate diameter: 5 inch/125 mm, mount thread: M14, maximum operating speed: 12,000 rpm. Ideal to use for polishing furniture, wood, plastic, metal surfaces and automotive car surface.【Mounting Backing Pad】Allows you to swap sanding pads easily and quickly, also prevents sanding pads to move and turn, has strong bonding ability.【Wide Application】Can be used with all abrasive discs, polishing sponges, polishing pads, sanding discs or finishing foams, ideal for wood products, automobiles, metal products, and floor and wall polishing.【Package Included】 6 x sanding disc backing pads. Ideal for spot repairs on flat and curved surfaces.