Velocity 150mm Velcro Backing Pad - V2093 Velocity 150mm Velcro Backing Pad M14 X 2mm for Velcro backed Cutting or Polishing Foam & Wool pads. The Velcro backing pad has been specially designed so that it can be used with a rotary polisher and be used with either wool or foam pads. The backing pad has a hook & loop (Velcro) system on both sides that allows you to change your polishing pad quickly and easily. This system allows you to use different sized pads, depending on what you are doing and how much material needs to be removed from the surface. These pads are ideal for use on all paints including clear coats, lacquers, enamels and acrylics. They can also be used for polishing metals and plastics too!