4 1/4" closed. 3 1/4" modified Sandvik 12c27 stainless partially serrated blade with shackle key. Coyote brown composition handle with a partial red rubberized grip. Highly resistant to humidity and extreme temperature. Handle features integrated 110 decibel pealess survival whistle that functions in all weather conditions. Virobloc double safety ring. Lanyard hole with coyote brown nylon cord lanyard. Hang packaged.