The BS1 night latch lock has been approved to BS 3621:2007, BS EN 12209:2003 and BS EN 1303:2005 the highest level of certification currently available making them one of the best available from the original Yale lock inventor. Endorsed by the police secure by design scheme and supplied with a high security TS007 approved rim cylinder that includes reinforced protective escutcheon plate. Ideal for use on wooden front doors where the highest level of security is required.
