The Yale 1109 series replacement rim cylinders are for use with surface mounted locks, such as nightlatches, operating from a tailbar. They are used to provide key access from one side of a door and are suitable for doors 38mm to 57mm in thickness. The tailbar can be cut to suit the thickness of the door.Select Option 2 Keys Brass Visi2 Keys Chrome Visi2 Keys Satin Chrome Visi4 Keys Polished Brass6 Keys Polished BrassChrome BoxPolished Brass BoxSatin Chrome Brass Box Add to Basket Quantity