- Constructed of neoprene rubber using an aluminum hub with 5/8" smooth bore; no threads, fits more tools
- Design allows air to flow through the slotted hub and between the spirals on the face of the pad, keeping the disc cool
- Helps extend the life of the coated abrasive disc
- Ideal for all sanding operations on metal, plastic fiberglass, etc
- Each pad is made individually in a single mold, then tested for perfection
![Spiralcool Backing Pad, 11,000 rpm, 4 1/2 in x 5/8 in - 11, Medium, 1 EA, #R425 Spiralcool Backing Pad, 11,000 rpm, 4 1/2 in x 5/8 in - 11, Medium, 1 EA, #R425](https://cdn11.bigcommerce.com/s-gdy1ehz/images/stencil/500x659/products/216887/311664/675-R425__18195.1590784573.jpg?c=2)