Yale Locks - BS2 Nightlatch British Standard Lock 40mm Backset Chrome Finish Visi

Yale BS2 nightlatch for external timber doors. Key operated from outside; key and lever handle operation from inside with lockable internal handle. The latch automatically deadlocks on door closing and can be held back via snib function. Features a 6-pin high-performance cylinder and 20mm anti-carding bolt. The 40mm backset measurement suits installations with restricted space, such as glass panelled doors. Case dimensions are 89mm wide × 90mm high × 33mm deep. Supplied with two keys and finished in polished chrome. Kitemarked to BS 3621:2007 and recommended by insurance companies. 10 year guarantee included.