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
