Gatemaster
The bolt on latch deadlock has both the convenience of a latch and the security of a deadlock.  For day to day use the handles operate the latch and this latch can then be deadlocked by turning the key.

This product is available with a Standard Black Lever Handle Set, and a Traditional Handle Set.

Secure – Stainless steel latchbolt which latches 15mm into the gate post and then moves to 30mm when deadlocked
Adaptable – Slim 70mm case means this lock can suit a variety of different gate styles
Convenient – Latchbolt is adjustable in length and can be rotated for left or right handed gates
Reliable – Supplied with a guide plate with brass bearing to ensure the lock lasts!
Available in two sizes – 1030 for 10 to 30mm flat bar or box section gate frames and 4060 for 40 to 60mm gate frames
Supplied with handles – Two styles available a traditional plain lever style (S) or a traditional handle (T)

Use with the Superlock keep to increase security and product life
 

Installing this onto a composite board gate?

This lock have become very popular with composite board gates as this is the only lock in the market with a fully removable latchbolt. This means it fits exactly into a 70mm wide gap resulting in a seamless finish.