... Reduced clogging, not hurting work-pieces sandpaper disc, sand disc,velcro sanding discMaterial: High quality sandpaper, sand ... surface, paint and etcSpecification:Part CodeDescriptionAbrasivesDiameterGritBackingBE-01Sanding disc with velcro backingA, ZA, WA, Sic4 to 740 ... 1200Self-adhesive backingBE-03Sanding disc with button backingA, ZA2, 360 to 1200Nylon velcro and metal backingCustomized designs ...