Overall 13.5 Inches Long chef Knife with 9 Inches long cutting edge 4.5' scale is made of Blue Colored camel bone with brass scale. Scale is bling with 3 brass pins for extra strength. Approximately 4 mm Thick rain drop pattern Damascus steel blade. Blade is made of Damascus steel by forging the 1095 and 15N20 high and low carbon steel up to the standard of Kitchen knife, chef knife, slicing knife, steak knife, vegetable knife, Blade is made of Damascus steel by forging the 1095 and 15N20 high and low carbon steel with hundreds of layers folded Blade has been given an excellent heat treatment to get it well hardened Hardness 56 to 58 HRC.