High Security Level Robust steel chain for good resilience, the high-quality 7mm square chain is made of specially hardened steel and is covered with a textile tube to protect against paint damage. Particularly safe, since 100,000 combinations are possible. The extra-robust and stretchy fabric cover with integrated UV protection offers a significantly higher level of protection. Material The protective shell is made of nylon and new anti-UV textile, high temperature resistant, waterproof and dustproof. The bicycle lock adopts 7mm thick hardened steel chain, the bold alloy steel chain is more secure and anti-theft. The chain lock uses a high-strength zinc lock cylinder and a hard ABS lock head. Scope of applicationThe cable lock is ideal for protecting bicycles, motorcycles, scooters, ATVs, strollers, tool carts, tool boxes, ladders, grills, lawn mowers, doors and fences or other items from theft.