The Loop Lock is a highly solid, self-winding cable.It is supplied in two sizes 15 mm with a miniature (OF221) and 10 mm with a padlock (OF222).The Oxford cable lock 15 & 10 has a key exchange service. If you buy your lock 15/10, just make a note of the number that is attached to the keys on a metal shield. Store this in a safe place. If you unfortunately lose all your keys, you can make a new key.Features of the keysSelf-resisting cables made of high-strength steelVinyl coated to protect your paintAvailable in two sizesCable offers enough length to enclose something substantialOF221 - padlock made of hardened steel serving as a slice lock at the same timeOf222 - 40 mm laminated padlock2 keys provided and an exchange service