3M Pro Grade Precision 2-1/2 in. x 4-1/2 in. x 1 in. 120-Grit Fine Block Sanding Sponge 24001PGP-F-B - The Home Depot
Amazing Carbide Hand Sanding Block! DuraGRIT 90° TruSander
3M 120 Grit Premium Automotive Auto Body Block Sanding Sandpaper 25 Sheets | eBay
Amazon.com: BOSHCRFAT 10 Pack Sanding Block, Washable and Reusable Sanding Sponge for Wood Drywall Metal Glasses Coarse/Medium/Fine/Superfine in 60/80/100/120/180/220 Grit Sandpaper Block Sand Paper Brick : Tools & Home Improvement