Use AIR-COOLED rubber turbo backup pads with our Semiflex or resin fibre discs. The pads have a threaded center for safe and easy mounting to the grinder/sander. There are slots in the metal hub that draw the air in, which is then circulated by the spiral ribs and forms a layer of air in between the pad and the disc. This layer of air keeps the discs cool, which in turn makes the discs cut faster and last longer.
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