Morakniv Marine Rescue Knife with 3.9-Inch Serrated Stainless Steel Blade All-purpose marine tool with serrated blade and blunted tip Blade Thickness: 0.08" (0.20cm), Blade Length: 3.9" (10.0cm), Total Length: 8.75" (22.2cm), Net Weight: 3.4 oz. (97g) 3.9 inch serrated Sandvik stainless steel blade Impact-resistant handle with substantial finger guard Includes black plastic sheath