1. Handle is made of TC4 titanium alloy(acid and alkali resistant, corrosion resistance), balde is made of D2 tool steel, CNC treatment
2. Unfolding Length: 3.93cm; Folding Length: 2.5cm
3. Blade Length: 1.26cm, wideth: 0.98cm, thickness: 0.23cm
4. Handle Length:1.7cm
5. Blade is edged, the size is as big as one RMB coin