Aqua Lung Argonaut Titanium Diving Knife 4mm thick, highly rust resistant, Titanium with EDP coating Blade is 4 7/8" long and the handle is 4 7/8 The butt of the handle is double wrapped in 7 feet of 5mm paracord Sheath is made from 2mm thick Kydex with 1/8" grommets Leg strap holes are 1" long and 1/4" wide