Koltec USA RFD Backing Pads - Spiral Face
KOLTEC USA's Molded Rubber Air Cooled Resin Fiber Disc Back-up Pads
These molded rubber pads feature spiral cooling fins. The fins allow air to flow under the resin fiber disc keeping it cool. They have a medium flex. Each pad threads onto the tool shaft. They are comparable to any molded rubber pads on the market.
Lock nut included with each pad.