Series T master keyed locks are available in 25mm and 30mm body lengths and are identical in specification to the corresponding Series T cam locks except for the added feature of master keying. In addition to the different key combination specific to each lock, a master key is available to open all locks in the group. Each set or group of master keyed locks is manufactured to order and has a master key code that is unique to the user, with optional key assignment.

The enhanced security of this 10 pin radial pin tumbler cam lock provides over five million different key combinations, a far greater quantity than the 7 pin equivalent. Constructed entirely of brass and chrome plated for high durability, the lock also features an anti-grip radiused head for added security. Key assignment is available for keyed alike, keyed alike groups or keyed different to offer optimum key control to users. Supplied with a body nut, a Nyloc type tail nut and, for keyed different locks, with two keys per lock.