Series:B318t abrasive discs Backing:velcro/pressure Sensitive Adhesive paper Grit:p80-600 Size:2"-8" Usage:Metal,Wood, ... of the producing sanding belt, self-adhesive sanding discs, leather sand paper, velcro sand paper,during making jumble rolls to finished sanding ... belts, self-adhesive sanding discs, leather sand paper etc., so we guarantee the high quality ...