This London bar has a D shaped staple that fits over and secures the keep of large(No1) sized nightlatches.

Used to help the nightlatch to resist kicking, splitting and forcing open of the door.

This London bar is a standard type with countersunk screw holes and supplied with fixings.

This bar will fit the following nightlatches however the purchaser must be aware that there are 100’s of rim lock and nightlatch staple shapes and sizes in use and the London bar staple is only designed to fit over the lock staple and is not designed to provide a contour hugging tight fit.

• Yale No1
• Yale No2
• Era 193
• Era 183