Era 1930 British Standard Nightlatch features an integral cylinder pull which protects the cylinder from being drilled. The cylinder also has well over 30,000 cut key variations. The main lock bolt "automatically" deadlocks, this makes the use of a credit card to force entry virtually impossible.
eBay
KWIKSET KWI-1. SilcaKS 1FT. HD HookH88. HD HookH40. Old SKSH23K.
eBay
Size (mm): 21 x 63 x 17.5 The Era 802 Snaplock is supplied with cut key for increased security. Can be used on most types of windows including casement, side hung or top hung. Closing the window locks the Snaplock automatically, the key is only required to unlock. The mechanism is designed to allow for any subsequent movement of the window frame. Plugs conceal and protect the fixing screws. Manufactured from coated steel, ERA Snaplocks are designed to withstand years of use. This window lock is manufactured on 100 different key variations (example key numbers Dxxx). Your order will be supplied on a random key number.
eBay
Anti Saw Deadbolt. High security. Designed for use on timber doors.
eBay
This should give you the 'Split' (and a total length). Note: The External cylinder face should be as flush with the outer handle or escutcheon as possible. 3 Keys supplied & Fixing screw (your existing screw should also fit).
eBay
eBay
The ERA Double Locking Nightlatches are designed to replace most front door lock, and are available with a 40mm and 60mm backset. The main lock bolt is “automatically” deadlocked when the door is closed, preventing the main bolt being retracted by a credit card.
eBay
The ERA Double Locking Nightlatches are designed to replace most front door lock, and are available with a 40mm and 60mm backset. The main lock bolt is “automatically” deadlocked when the door is closed, preventing the main bolt being retracted by a credit card.
eBay