Yale Locks Bs1 Nightlatch British Standard Lock 60mm Backset Chrome Finish Visi Multi Colour (One Size)

Designed for timber external doors, the Yale Locks BS1 Nightlatch is British Standard approved for maximum security, with a Kitemark to BS 3621:2007 and endorsement by insurance companies. Operation is key-based from the outside, while the inside offers both key and lever handle use, with a lockable internal handle for added security. For everyday convenience, the latch automatically deadlocks when the door is closed, and a snib function allows the latch to be held back when required. A 6-pin high-performance cylinder is paired with a 20mm anti-carding bolt, helping to protect against attack methods associated with nightlatches. Finished in polished chrome, this lock also comes with a 15-year guarantee. Key features Kitemarked to BS 3621:2007 Suitable for timber external doors Key operation from the outside Key and lever handle operation from the inside, with lockable internal handle Automatic deadl...