We offer the Surelock UPVC Door Lock Centre Case Gearbox in a 35mm
backset version. The Surelock also known as Cego Surelock is a handed
dual spindle latch & deadbolt centre case lock meaning it will suit
either Left or Right Hand applications. Please ensure you order the
correct handing to suit your existing application. The following
technical help guid will assist you in measuring and identifying your
Cego Surelock replacement - UPVC Door Lock Identification.