Blade for MBM (4810, 4850) paper cutters, standard inlaid carbon steel (AKI-I) by Alliance Knife Company. This blade measures 22.444" long x 3.543" high and .393" thick, with 5 Holes. (MBM I.D. is 0653.) When ordering knives, please double-check the brand, model and serial number of your cutter, and measure your knife carefully. Also available in High Speed Steel. Call for price.