High security DL22 mortice door dead lock suitable for use with a euro cylinder to add security to your door they don't get much bigger than this chrome polished 63mm.
British Standard 5 Lever Sash Lock- Black Finish
5 Lever Sash Lock - DL15 - 63mm - Brass Polished
Polished Nickel 5 Lever BS Sash Lock
From The Anvil Satin Brass 2½" 5 Lever Bs Sash Lock Ka, Gold
Sash Window Lock SW14-5 inch Sash Handles - Chrome Satin
Sash Window Lock SW14-5 inch Sash Handles - Brass Polished
