The WHITE DEER 1095 Forged Steel Blank Usuba Bocho Knife has been forged and handmade as the Kanto variation, then heat treated to 58-60 HRC Rockwell hardness scale. The edge is extremely sharp, and hardened D-2 steel is well known to hold it's edge for a long time. This WHITE DEER 1095 Forged Steel Blank Usuba Bocho Knife features a flat grind with profiled edge. Just a blank tang is present to allow you to fasten your own handle. Please remember to clean and dry your blades immedietely after use, then rub down with mineral oil if in a cooking environment, or you can use other common oils if not for food preparation. For display purposes too. You could easily turn this into a common bushcraft knife if you want. Specifications Overall Length: 12.25 Inches Blade Length: 7.5 Inches Blade Material: 1095 Forged High Carbon Steel Blade Thickness: 3mm Hardness or Temper: 58-60 HRC Rockwell Scale Tang: 4.5 Inches, 5 Hole Design Tang Hole Diameter: 3mm Sharpness & Functionality: Extremely Sharp (AF), Professional Grade Cutting Blade Features: Japanese Usuba Butcher Cleaver Profile with Kanto Style