Texas Knifemakers Supply: Favorite Kitchen Blades Made with top grade 440C Stainless Steel polished to a satin finish Flat ground blades have been cryogenically tempered with liquid nitrogen, enhancing their edge holding capability and improving them to a HRC 56-58 hardness Set includes the Favorites utility paring blade (BL476C), mid-sized Chef's blade (BL529C), and large Cook's blade (BL531C) See individual blades for their exact dimensions Bundle togther for a set of knife blades, and save!