All 1BS Basic Locks have a shaft driven in a rotary direction by die the rotation of the key.
Direction of rotation can be 180 or 90 degrees clock and anti clock.
The key is trapped as soon as it turned.

Locks are manufactured from brass and all springs and screws are stainless steel.
Each lock has a Serial No. for easy replacement of keys or system extensions.
Locks are engraved and colour coded for easy system flow.
All locks carry a 5 year warranty.