PSA Sanding Disc, Abrasive Type Coated, Abrasive Material Zirconia Alumina, Backing Material Cotton, Backing Weight Y, Coating Coverage Closed, Grit 60, Overall Diameter 12 in, Product Type PSA Disc, Series BlueFire R821P, Resistance Properties Tear, Number of Vacuum Holes Non-Vacuum, Color Blue, Grade Coarse