1. Material: A6061 aluminum alloy 2. Scope of application: rock climbing, hammock, yoga, backpack, outdoor safety quick hanging, etc. 3. Features: A6061 aluminum alloy material, formed by multiple heat treatments and forging, light weight, high strength, and wear resistance. The lock door adopts anti-hook system design to prevent the hanging piece, safe and stable, D-shaped nut mouth design, hanging Strong load capacity, strong and firm 4. Pull force: up to 500kg 5. Opening: about 11.5mm 6. Size: about 8.1x4.66 cm/piece 7. Weight: about 24.8g/piece
