Total size/ open size: 8inch. Close size: 4.5inch. Handle size: 4.5 inch. Blade size: 3.5 inch. Blade hardness: 50-58 hrc. Material used in handle: very amazing red colored pin con with brass liner lock. Blade material: forged damascus steel with the combination of 15n20 and 1095 carbon steel. Leather sheath: unique leather sheath made of buffalo leather. More details about blade. We forged all of our own damascus steel from 1075/15n20. Which is welded and folded many times to get required layers as pattern after forging all blades are normalized, profiled, annealed, surface ground, bevel ground, polished, buffed, etched, final buffed, . Handmade by skilled workers over 30+ years working experience. Uniqueness, designed sharply, gloriously and elegantly. Matchless designed with sharp blade. Incredible hand grip with excellent balanced. We are confident that you will like our products as we have struggle hard to provide you top quality products. We treat any problem with goods or service very seriously and you will receive immediate attention. Clients satisfaction is our reward. Best place for storage is the place that wouldn’t absorb moisture from the damascus steel as it should be lubricated (with coconut or mineral oil) and kept that way for it to last a lifetime without any rust. Should any surface rust appear due to negligence of care, it can easily be wiped off with a mixture of vinegar and lime and re-coated with mineral or coconut oil (best food-safe lubricants for damascus steel thus far). This item is made of damascus steel and leather sheet, pin con resion, brass.