Union L2224 Euro Sashcase Latch & Deadbolt Gearbox 30.5mm Backset

Manufacturer Reference - L2224. Latch & Deadbolt. Centre Case - Latch & Deadbolt. 30.5mm Backset. Backset - 30.5mm. Operation - C - One full turn of the key to lock and one full turn of the key then push down on the lever to unlock, latch bolt can also be withdrawn by key.

eBay