GLASS ABRASIVE #75 - Medium Fine Grit - 24 lbs. - Sand Blast Cabinet BLASTING MEDIA - By Tacoma Company USA Made Medium Fine #75 Grit Size Crushed Glass Abrasive Excellent for General Purpose Blast Cleaning Non-Toxic, Silica-Free, Environmentally Harmless, Low Dust Good blasting prep for re-coating; leaves a fine profile on base metal