Blade for Lawson-Wohlenberg Regent 19343D1A paper cutters, standard inlaid high speed steel (AKI-I) by Alliance Knife Company. This blade measures 50.393" long x 5.512" high and .541" thick. When ordering knives, please double-check the brand, model and serial number of your cutter, and measure your knife carefully. There is a 15% restocking fee for returned knives due to customer error.