The Loop Lock is a high tensile, self-coiling cable. It comes in two sizes 15mm with a mini shackle (OF221) and 10mm with a padlock (OF222)
The Oxford Loop Lock 15 & 10 has a key replacement service. When you buy your Loop Lock 15/10, simply note down the number which 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 you.