StrongBOLT 22EU EUS-SS-2.5 Euro Sashlock Stainless Steel 68mm 2.5in
Forend: Stainless Steel. Case Size: 68mm x 110mm (2.5in). Backset: 45mm. 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.