There is a blade stamp on the filet is BIO CURVE BG 78FL. The other has the stamp in the handle BIO CURVE.743M. Steel is also stamped in handle CHICAGO CUTLERY as are the knives. These are high quality used tools used in meat plants etc. Good stiff blades with flex on the long one, the small one no flex. Total length on filet is 12-1/2 in. with blade length of 7-1/4. Short one is 10-1/4 with the blade length of 5-1/4 in. Steel is 15 in. long, blade is 10 in. Black handles in good used condition with no cracks. Buyer to pay shipping of 6.95, out of the U.S. at least 23.00, payments may be sent or use paypal, thanks for looking.