It only includes a pad in a size、 please select the size you want. Description: Polishing Plate Backer M10 Angle Grinder Wheel Backing Pad 80\/100\/125mm For Polishing Discs Specification: Material: Rubber Thread Size: M10 Pad Size:80mm(3")、 100mm(4")、 125mm(5") Quantity: 1pc Feature: Universal M10 velcro backing pad 80mm to 125mm Velcro design compatible with flocking sand paper sheet、 or wool buffing ball Installed on sander ideal for furniture、artificial stone、metal、car surface polishing usage Package included: 1pc x M10 Velcro Backing Pad More Details: