Clarke VP115C Plastic Backing Pad With Velcro is a commonly used accessory in various power tools, especially in the field of grinding and polishing. This type of backing pad typically attaches to the grinding or polishing tool using a threaded fastener or Velcro mechanism. The Velcro surface allows sanding discs or polishing pads to be easily attached and removed, ensuring a secure hold during operation while also allowing quick change between different abrasives or polishing materials.