Mortice Lock: 21313 – 4 Lever Deadlock Application: Interior and exterior door application. Can work on left and right handed doors Suitable for doors up to 54mm thick Specification Specification: Deadbolt locked or unlocked by key from either side Square forend and striker plate Case Size: 76mm Backset: 57mm Case: Galvanized Steel Forend: Stainless steel or brass Striking Plate: Finished to match forend Deadbolt: Brass Rebate Kit: 2700 Keying Groups: May be supplied keyed alike. Supplied with 2 cast zinc nickel plated keys Close Finish Finish: SS – Stainless Steel finish PL – Polished Brass finish Close Variants Variants: 21313-76SS (4 Lever Deadlock Stainless Steel) 21313-76PL (4 Lever Deadlock Polished Brass) Close Find out more about this product range: Contact Us You might also be interested in: Mortice Lock: L-2141 – Oval Cylinder Deadlock Mortice Lock: 21311 – 2 Lever Deadlock Mortice Lock: L-2115 – Euro Cylinder Deadlock