2SAND 4x21 Aluminum Oxide Sanding Belts

2SAND’s 4 x 21 Aluminum Oxide Sanding Belts are composed of a tough, sharp aluminum oxide abrasive and cloth backing. The strong, high quality abrasive makes our sanding belts great for both wood and metal. The sanding belt has resin over resin bonding for a longer wearing cloth belt. The 4 x 21 sanding belts have a butt joint and can be run in either direction on 4-inch by 21-inch belt sanders. We offer specific grits and grit assortments. The available grits are 24, 36, 40, 50, 80, 100, 120, 150, 180, 220, 240, 320, and 400 grits. Individual grits are sold in packs of 10 belts per grit, and assortments consist of nine belts. The FINE assortment consists of (3) 120, (3) 150 & (3) 180 grit belts. The COARSE assortment consists of (3) 60, (3) 80 & (100) grit belts. The 60 - 180 assortment consists of (1) 60, (2) 80, (2) 100, (2) 120, (1) 150 & (1) 180 grit belts.