... discs and abrasive belts,sanding wood, metal, plastics Model Number: GXK51,GXK51-B Model Number:GXK51,GXK51-B Product CodeGrain Backing ... , flap discs, belts, rollsgeneral purposes for wood and metal working1400customer request width GXK51 aluminum oxideX Cotton P36- P600 ... 800flap discs, belts general purposes for wood and metal working1400customer request width GXK51-B aluminum oxideX Cotton & ...