Blade for MBM 65-650 paper cutters, standard inlaid carbon steel (AKI-I) by Alliance Knife Company. This blade measures 29.763" long x 3.543" high and .393" thick, with 5 Holes. (MBM I.D. is 65-650.) When ordering knives, please double-check the brand, model and serial number of your cutter, and measure your knife carefully.