Blade for MBM (4205, 4215, 4225, 4250, 4305, 4315, 4350, 0687) paper cutters, standard inlaid carbon steel (AKI-I) by Alliance Knife Company. This blade measures 19.173" long x 1.535" high and .236" thick, with 5 Holes. (MBM I.D. is 0687.) When ordering knives, please double-check the brand, model and serial number of your cutter, and measure your knife carefully.