This DSR model comes in a black finish with a 1.25" safety ring. The One Asterisk DSR (Defense Safety Ring) is designed to fit the Kershaw/ Emerson series of 6034 knives. Installation is quick and easy, just remove a few screws and replace the rear spacer with the DSR 6034. This handy accessory will increase deployment and retention possibilities, while adding a customized look to the knife. One Asterisk DSR's are made in the USA from hard coat anodized 6061 T6 aluminum.