Premium 240 Grit 1/4 Sheet Size Purple Ceramic Mesh Sandpaper, Box of 16 - 4.5" x 5.5" Dustless Hook & Loop Backing, Palm Sanders, Sanding Blocks - Long-Lasting Fast Cut - Woodworking, AutoBox of 16 Dura Gold Premium 240 Grit 1 4 Sheet Size (4. 5" x 5. 5") Purple Ceramic Mesh Sandpaper Sheets with a Dustless Hook & Loop Backing. These mesh 1 4 sanding sheets have a self grip hook & loop backing that securely attaches to palm, orbital, and finishing sanders or onto hand sanding blocks with hook & loop backing plates. The sheets do not need to align with the sander's vacuum hole patterns, making them easy to align onto any backup pad,