Oxford Chain 10mm Lock & Mini Shackle 10mmx1400mmUtilising the Diamond rated HD Mini shackle lock with a 10mm square link chain. The 1. 4m length chain allows easy fitting to one or two cycles and anchor. The Chain 10 has a key replacement service. When you buy your Chain 10, simply note down the number that comes attached to the keys on a metal tag. Keep this in a safe place, then in the event that you are unfortunate enough to lose all your keys, it will be possible to get a new key made up for