Damascus Titanium Butterfly Knife Black Wood Tanto. The blade is made from Damascus steel in an American tanto style. Its made from 1095/15N20 alloy steel. A billet is forged, hammered, and heated so that a pattern shows on the blade. The HRC is around 54 to 55 with 176-180 true blade layers. The handle is double-walled with a steel inner frame. The pivot pins are riveted for extra security, and has a cool titanium finish with swamp green ABS mounts. At the end of the bite handle is a safety latch for added protection. Overall Length: 8.75 Inches