Description: Best Tools For Sanding Grinding Polishing Durable, efficient, anti-blocking, easy to use, the finish is high There is a tapped hole on the front, a grinder can be mounted, and flocked sandpaper can be attached on the reverse Removes rust, paint and dirt, for roughening, de-burring Widely used in car waxing, polishing, metal and other polishing projects Specification: Material: Plastic + Metal Screw Hole: M14 / M10 Size A, Diameter: 30mm / 1.18in , Height: 3.5cm / 1.37in Size B, Diameter: 50mm / 1.96in , Height: 3.5cm / 1.37in Size C, Diameter: 75mm / 2.95in , Height: 3.5cm / 1.37in Size D, Diameter: 98mm / 3.85in, Height: 4cm / 1.57in Size E, Diameter: 122mm / 4.80in, Height: 4cm / 1.57in Size F, Diameter: 147mm / 5.78in, Height: 4cm / 1.57in Size G, Diameter: 122mm / 4.80in, Height: 4cm / 1.57in Size H, Diameter: 148mm / 5.82in, Height: 4cm / 1.57in Package Includes: 1 x Rotary Polisher Backing Pad(2 Pack) Note: Color might be slightly different due to the color calibration of each individual monitor. Please allow slightly measuring deviation due to manual measurement.