BIGLUFU Bike Chain Lock, 3ft Security Chain, 9mm Thick Bike Chain Links, Anti-Theft Heavy Duty Chain Locks with Keys, for Bicycle, Motorcycle, Door, Gate, Fence, Scooter (Grey)

• Ultra-Thick and Heavy Duty Chain: The thicker the chain, the more secure your property. 0.36 inch-Diameter Ultra-Thick bicycle chain made of 3T manganese steel, strong and tough, much safer than most of other chain lock in the market
• Waterproof & Dirt-proof Cap: The lock cylinder has a waterproof and dustproof cover to prevent dirt from entering the keyhole to block the lock, protect the lock cylinder from rusting, and prolong the service life. High security lock cylinder is pick and drill resistant
• Wear-resistant Protective Cover: The chain of this bike lock is enclosed in protective cloth sleeve that could effectively protect the chain from being rusted and scratches
• 3 keys available: The lock cylinder of this bike chain lock is made by pure copper blade, which has a precise structure for anti-theft protection. Comes with 3 pure copper keys, bent and twist resistant, you'll always have a spare one
• Locks More Than Bikes: This bike lock is 90 cm long. It’s not just a bike lock, it can lock all sorts of things! Secure your gates, doors, scooters, motorcycles, generators and even sports equipment

BIGLUFU Bike Chain Lock, 3ft (90cm) Security Chain, Anti-Theft Heavy Duty Chain Locks with 3 Keys, 0.34inch (8.5mm) thick, 2.87lbs (1.3Kg), for Bicycle, Motorcycle, Door, Gate, Fence, Scooter