MaterialMade 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. Pad Holder AttachmentAllows you to exchange sanding pads easily and quickly , also prevent sanding pads from moving and rotating, has strong bonding ability. Wide Application Can be used with all abrasive discs, polishing sponges, polishing pads, discs sanding pads 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 both flat and curved surfaces. Product Specification: Colour:Yellow+black Material: PP + Steel Plate diameter: 5 inch/125 mm Adapter: M14 Screw thread: M14 Package Included: 6pcs x 5 inch M14 Backing Plate 6pcs x M14 Thread Adapter Note warm: Please use safety glasses and gloves to prevent waste from flying at work.