Smith & Wesson CK2BMEU Homeland Security, Black Aluminum Handle, Black PlainEdge. The Smith & Wesson CK2BMEU Homeland Security knife features a 3.368" tactical drop point blade of 440C stainless steel with a nail nick and black Teflon coating for increased corrosion resistance and non-reflectivity. Lockup is via a lock back. Removable metal belt/pocket clip. Ergonomic black 6061 aircraft Aluminum handles provide an excellent grip. Closed length: 4.52". Weight: 4.8 oz.