1. Main body: aluminum alloy
2. Process: CNC 6061 processing and forming
3. Frame: Cold forged stamping frame, high rigidity and light weight
4. Axis: CNC chromium-molybdenum steel hexagon socket, surface AP treatment
5. Anti-skid nails: replaceable R nails
6. Weight: 420g/pair
7. Dimensions: 115.5mmx97.7mmx25.9mm
