THE BUTTON JUST FOR CLOSE THE KNIFE! Total length: 185mm Blade length: 71mm Handle length: 105mm Blade width: 25mm Blade thickness: 3mm Blade material: D2 (deep cooling treatment) Net weight: 91.2 grams Hardness: 59-60HRC Surface: Sanded Material: TC4 titanium alloy handle Screws: All screws are made of 420 stainless steel with a hardness of HRC45, and all CNC engraved positioning balls with built-in flat needle roller bearing washers