Damascus Automatic Lever Lock Knife Blue Bone. The Damascus is created from 1095/15N20 alloy steel with a crafted Random pattern. The handle mounts are made from bone and stained a vibrant blue green. They have been handle polished and are held together with brass pins. Brass spacers separate each bone segment. The inner frame is solid brass giving this blade a double walled construction. The paddle and bolster are brass as well. Push the paddle down and deploy the blade with ease. True to the original design the paddle moves freely up and down with no stiffness.Overall Length: 9.13 Inches