4 3/8" closed. 3 1/4" Sandvik 12C27 stainless partially serrated blade with shackle key. Serrated portion of the blade can be used for rope cutting. Safety ring for locking the blade. Black handles with orange trim. Durable sure-grip handle material withstands extreme temperatures, humidity and is shock resistant. End of handle has 110dB pealess survival whistle. Wrist lanyard. Boxed with hanging tab. Ideal for mountaineering, trekking, canyoning, para-gliding, sailing and many other outdoor activities.