Overall Length: 8.07" Closed Length: 4.65" Blade Length: 3.35" Blade Thickness: 3.8 mm Blade Material: YJ01-V1 TC4 Titanium Alloy Handle Plain Edge Frame Lock Weight: 4.14oz Desgined by NightMorning Manufactured in YangJiang China Other: VERY Sharp - Open Carefully & Keep Away From Children. Specifications: YJ01-V1 is the latest achievement of joint R&D in knife steels by twosun team and Fenghe PSF Company. Its composition is as follows: YJ01-V1:70.9% C:2% Cr：20% Mo：1% V:5% W:0.6% Co：0.5% Advantages: High wear resistance (high congtent of C, Cr, Mo, V, 60~62HRC), Vacuum heat treatment and deep cold heat treatment Good corrosion resistance (20% Cr) and impact toughness Excellent grindability and mirrorfinish polishability due to fine and uniform carbides.