The Kershaw Iridium folding knife features a 3.45 black oxide finished D2 steel reverse tanto plain blade with a hardness rating of 59-60 HRC. Measuring 7.95 OAL, 4.50 closed, and 0.09 thick, it utilizes a thumb stud opening and a secure DuraLock mechanism. The black anodized aluminum handle includes a pocket clip. Weight: 2.50 oz. Safety note For use by trained adults only. Always inspect before use, keep out of reach of children, and comply with all local laws regarding ownership and use.