1. Material: aluminum alloy 2. Functional specification: 3.2/3.3/3.5/4.0/4.3/4.4 3. Strong and durable, not easy to deform 4. High hardness and good durability 5. Multi-polishing process to improve the feel and appearance 6. Weight: 30 grams 7. Size: 46x36x12 mm
