Materials 4340 ht + 1095 hc damascus. Measurements 9.5″l x 1.25″w x 1h. Blade material: 15n20, 1095 damascus. Blade thickness: 0.157. Blade hardness: 57-60 hrc. Blade grind: flat grind. Folded length: 4.6. Handle material: stainless steel. Handle thickness: 0.75. Handle length: 4.6. Overall length: 8.6. Weight (oz): 8 oz. Sheath material: sheep skin. Locking mechanism: liner lock. Note: damascus steel can rust if not cared for properly. Do not keep damascus steel in a leather sheath for long periods of time, as the leather can cause the steel to rust. Please be aware damascus steel products will arrive fully coated in a protective, non-toxic mineral oil, which can be easily washed off before use. Damascus steel should be regularly oiled with any household oil over the course of its life to prevent corrosion. This item is made of damascus steel.