The United Cutlery Stingray Dive Knife can be worn on an arm, leg, or on a belt! Features solid, one piece 420 stainless steel construction with a half serrated, double edged blade. Designed with a slotted handle for positive grip and to decrease weight. The black impact resistant AMS sheath with quick release lock and water drain hole can be worn with rubber arm/leg straps on a belt. 8 5/8" overall. 4" blade.