Spiralcool Backing Pads | Backing Pad, 11,000 rpm, 4 1/2 in x 5/8 in - 11, Medium

Design allows air to flow through the slotted hub and between the spirals on the face of the pad, keeping the disc cool|Ideal for all sanding operations on metal, plastic fiberglass, etc|Each pad is made individually in a single mold, then tested for perfection