CRKT - Part Serrated M16-12 Law Enforcement M16®-ZLEK Linerlock Knife with Black Zytel Handles. Model: CR12ZLEK. 4 1/4" closed. 3" partially serrated AUS-8 stainless tanto blade with tactical black finish, dual thumb studs and integrated seat belt cutter. Black Zytel® handles with drilled hole design and integrated tungsten carbide glass breaker. Black finish stainless pocket clip. Features Carson Flipper and LAWKS® safety system.