Rebel Wolf Mariner Damascus Steel Filed Serrated Back Full Tang Knife Includes Rebel Wolf Certificate of Authenticity. Overall Length: 9.75 Inches. Blade Length: 5 Inches. Blade Thickness: 4mm. Blade Materials: 1095 High Carbon Steel, 15N20 Alloy Steel, Hand Forged. Blade Profile: Nessmuk, Heavy Duty Construction, Serrated Filed Spine. Free leather sheath, color and style may vary. All specifications are approximate.