Woodys Favorite Knife Blade (Cryogenically Enhanced) Made with Top grade 440C Stainless Steel, mirror polished HRC 56-58 hardness, Hollow Grind Cryogenically enhanced edge holding capability, by exposure to liquid nitrogen at -305F 7" overall length, cutting edge length is 2-5/8, 5/32 thick and 1 wide blade with thumb grooves NOTE ON SHIPPING: We ship orders via USPS Priority Mail (occasionally UPS Ground depending on weight) with a tracking number. Amazon automatically combines shipping costs by weight if you order more than one item from us at the same time, saving you money!