1. CNC precision cutting, anode will make a protective film on the aluminum surface, anti-corrosion and anti-rust, long-term use without fading 2. Stainless steel spring, wear-resistant and durable, anti-rust and anti-corrosion 3. High hardness internal fine-tuning screw, sturdy and durable 4. Lightweight and compact, easy to carry and use 5. Material: aluminum alloy, stainless steel spring 6. Size: about 28 x 6 x 7mm 7. Weight: about 3.2g
