Yale P-M550-CH-65 5 Lever Sashlock 64mm Chrome

Yale 5 Lever Sashlock 2.5in Chrome suitable for use on external wooden doors with handles when used with a maximum security British Standard nightlatch. 5 Lever mortice sashlock offers a high level of security for wooden doors with handles Suitable for use on external wooden doors when used in conjunction with a maximum security British Standard nightlatch Deadbolt locked and unlocked by key from either side Anti Saw Deadbolt 2 Keys supplied For use with door handles Pierced to accept bolt through furniture 64mm / 2.5 Backset Suitable for use on internal 44mm thickness doors