![4 INCH MUSTANG ULTRA-FLEXIBLE BACKER PAD 4 INCH MUSTANG ULTRA-FLEXIBLE BACKER PAD](https://cdn11.bigcommerce.com/s-x03134ks5p/images/stencil/300x300/products/403/686/da57d9de-f882-4bbc-8363-a2b86b801245__40230.1716489299.jpg?c=1)
MUSTANG Aluminum Backer Pad 4” x ⅝”-11. MAX RPM: 4,000. Featuring the aluminum body for better safety and consistency; Best for polishing straight edges, convex edges and flat areas; Strong attachment between aluminum and Velcro; Dry or Wet use only; Also called Backup Pad or Backup Head.