Description: With thick security heavy-duty chain links.Regular lubrication for the lock hole and keyhole will prolong the lock's service time. Protective cloth sleeve & dust cover: The chain of this bike lock is enclosed in protective cloth sleeve that could effectively protect the chain from being rusted and scratches. And the dust cover can protect your keyhole from rain and dust. Easy to lock: You can just snap it together to get it locked without the keys. Safety tips: Never leave your bike locked outside for long periods of time. Especially in high crime areas. No bike lock is not secure. Secure & portable: Bike chain locks come with 2 keys. You can take one of the keys for daily use while leaving another at home in case you accidentally lose one. Two Keys offer you convenience. Ideal for bicycles, ladders, lawnmowers, stroller, scooter, fences, tool boxes, sport equipment and etc. Specifications: Material: Alloy steel Size: Length about 60cm Color: As Shown In The Picture Package Includes: 1 x Bike Chain Lock Note: 1. Please note that the photo does not show actual size please refer to Description for size details. 2. Please allow differences due to manual measurement thanks. 3. Due to the difference between different monitors the image may not reflect the actual color of the item.