Front nickel plated steel with 54 mm cylinder and 3 keys. 

When the lock is opened, all of the latching parts are flush with the end of the leaf. The lock closes in two movements first the rectangular latch extends and then both hooks pop out and latch onto the receiver.

Suitable for sliding doors and gates.

Designed for gates that are automated, to add extra security when you can safely disable the automation and manually lock the gate.