3M Drywall Sanding Screens reduce loading to make your job easier and help you achieve smooth results. Their sharp silicone carbide mineral construction means long lasting performance. These screens can be rinsed and used again and again. No. 9090NA: Grade: Medium, Width: 4-3/16 In., Length: 11-1/4 In., Abrasive Material: Silicon Carbide, Pkg Qty: 2, Package Type: Hang Tag No. 9089NA: Grade: Fine, Width: 4-3/16 In., Length: 11-1/4 In., Abrasive Material: Silicon Carbide, Pkg Qty: 2, Package Type: Hang Tag
