These rigid 2" Dia. X 4-1/2" 80 grit aluminum oxide sanding sleeves are perfect for use with popular sanding drum kits. Keep plenty of these consumable sanding sleeves on hand. Sold in a 3 pk. Grizzly H5451 - 2" Dia. x 4-1/2" A/O Hard Sanding Sleeve, 80 Grit, 3 pk.