Overall Length: 37mm
Cylinder Diameter: 16mm
Facing Plate Size: 43mm x 20mm x 2mm
Receiver Plate Size: 43mm x 20mm x 2mm
Oval Receiver Plate Size: 39mm x 20mm x 2mm
Backset: 16mm They must be morticed into the door and used in conjunction with a security star key (sold separately) which turns and releases the bolt mechanism. Supplied with matching SS wood screws.