Leverlock 9 Inch Green Automatic Knife Dagger Damascus. This blade is constructed from Damascus steel made from 1095/15n20 alloy steel. The Rockwell rating is 54 to 55 with 176 true blade layers. The frame, bolsters, lever, and pins are a polished brass. The handmade handle has bone mounts that have been stained green and polished. Fast automatic function. Overall Length: 9 Inches 3.75" blade length