This Victorinox sheath measures 3.75" long and is made from heavy duty nylon with a belt loop strap. It was designed to fit the Altimeter, Altimeter Plus, Angler, Camper, Climber, Compact, CyberTool 29, Deluxe Tinker, Electrician, Electrician Plus, Explorer, Explorer Plus, Farmer, Fieldmaster, Fisherman, Hiker, Huntsman, Huntsman Plus, Mechanic, Mountaineer, Pioneer, Pioneer Apprentice, Pioneer Harvester, Pioneer Pruner, Pioneer Rancher, Pioneer Settler, Soldier, Solo Alox, Spartan, Super Tinker, Timekeeper, Tinker and Voyager.