StrongBOLT 22EU EUS-PB-3.0 Euro Sashlock Plated Brass 81mm 3in
Forend: Brass finish. Case Size: 81mm x 110mm (3.0in) Backset: 57mm. This is the measurement from the edge of the door to the centre of the keyhole. Centre: 47.5mm. This is the measurement from the centre of the follower, which operates the handles, to the centre of the keyhole.