A hard nylon sheath is included that has a built in belt clip for easy carrying and safe storage of the knife in a tool bag when not in use.5" Fixed Blade Double-Edged Duct Knife and Hard Nylon Sheath Knife measures 10. Designed with a piercing tip to facilitate cut-outs and similar forming, this knife features a full length tang that ends with a steel pommel cap ideal for striking letting you drive the knife with a few blows into stiff duct board to start a cutout without the need of predrilling as well as being able to use the pommel for persuading the odd piece material into place.