All tools are locked. Materials: Titanium (dies) - steel(options) . blade length: 102mm (4` ) weight =190 gr ( 6,7 oz) close dimensions(mm): 124\21,4 th:15,7mm; (inch): 4,8\0,84 th:0,61 https://www.youtube.com/watch?v=0peys_vtpMw