1. Material: 45# steel, nickel-plated surface
2. Strong and durable, not easy to deformation
3. High hardness and good durability
4. Multi-polishing and polishing process, improve the appearance of the hand
5. Size: BT013A 24x24x41mm; BT013B 24x26.5x34.5mm
6. Weight: BT013A 54g; BT013B 53g