General description The Union 2177 3 Lever Mortice Deadlock is designed for timber doors, providing reliable security with an attractive polished brass finish. It features a single deadbolt that can be operated by a key from either side, making it suitable for both left and right hinged doors. This deadlock is ideal for doors up to 54mm thick and comes with matching striking plates. Technical specifications Finish: Polished Brass Case Size: 65mm x 70mm (2.5in) Backset: 44.5mm Deadbolt: Brass with hardened steel rollers Security Level: Standard (2-3 levers) Keying: Supplied with 2 nickel-plated steel keys Compatibility and accessories Compatible with standard mortice strike plates Rebate Kits: 13mm, 19mm, or 25mm Rebate Kit: B-3G114R (for different door thicknesses) Keying options available to pass, differ, or be keyed alike with other locks in the series Installation Designed for timber doors with a case size of 65mm x 70mm Backset measurement is 44.5mm Supplied with matching strike