Blade for MBM 52-654 paper cutters, standard inlaid carbon steel (AKI-I) by Alliance Knife Company. This blade measures 24.803" long x 3.465" high and .315" thick, with 5 slots. (MBM I.D. is 52-654.) When ordering knives, please double-check the brand, model and serial number of your cutter, and measure your knife carefully.