It is made of solid alloy steel which increases security level a lot! Combined with silicone rubber outer layer, its high quality is well protective.
Features:
- Upgraded U-Lock-high-quality and high-strength extra thick alloy steel with silicone rubber.
- Main Functions - alloy lock cylinder, extra thick steel, waterproof and rustproof, safe and anti-theft.
- Double-side Open- improves anti-theft function and highly upgrades security level.