4 pack of Professional 6" dual action sander backing pads These hook and loop pads are a direct replacement for da sander pads that have worn edges. 5/16" thread size. 6inch diameter compatible with all air fed dual action sanders with 5/16 thread max r.p.m of 12,000 excellent quality foam pads for durability I have other quantities available if needed compatible with- fast mover sealey duren silver line toolzone and many more
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