3m Stikit Tri-M-Ite 3 1/4" Roll 180 Grit (85" Roll) Silicon Carbide for Fast Cutting PSA Pressure sensitive adhesive backing Sanding Block sold separately, Search: 3M Stickit Sanding Block 3 1/4" See all grits, Search: 3M Stikit Tri-M-Ite 3 1/4" Roll