Spearfishing Heavy Duty Ultra Sharp 11" Japanese Steel Dive Knife Comes with a sheath and 2 knife straps. Total length with sheath is 11" (28cm) 420 Stainless Steel Quick release button on sheath for easy storing Designed for heavy duty usage Blade: Length 5.5 inch Width: 1 inch Thick: 5mm Knife: 10 inch x 1.5 inch x 0.5 inch