3M Sanding Block is a professional grade tool that helps you achieve your best, fastest sanding work in auto body and other jobs. 3M Sanding Block is a professional grade tool that helps you achieve your best, fastest sanding work in auto body and other jobs. The pliable rubber block is designed to comfortably fit your hand and to keep sandpaper flat against automotive surfaces, helping ensure uniform sanding performance. Sanding blocks feature internal attachment pins to hold sandpaper firmly in place on the block. 7100217185 - 00051131321519
