million combinations in 3-wheel models

billion combinations in 4-wheel models

Varied Method:

change key

Automatic Relock:

activated when the lock box door suffers depredation

Component:

brass material to prolong the life

Can be combined with MY2102, thus using concealed button to prevent from deciphering and enhance the burglarproof function.

(MY8617-K : Dial can be locked with the key lock)