Master keys for Euro locks 25 and 45 series, number ranges 25001-27000 and 45001-47000.

These keys work if the locks are master keyed from the start, quite a lot were, they are very handy to have as a locksmith.

There are about 20 different Master keys for all the lockers, cabinets, desk and filling cabinets out there, these ones cover the Euro Locks locks.