Product Name: Rebate to Suit Union 2277, 2237, 2226, Willenhall M4, M5, M326 and Yale PM320 Sashlocks 13mm Satin Chrome Manufacturer: Union Locks Finish: Satin Chrome Sizes: 13mm Type: Rebate Benefits of Rebate to Suit Union Sashlocks: Allow a mortice lock to be used on a pair of rebated double doors or French doors. Designed to fit perfectly with Union 2277, 2237, 2226, Willenhall M4, M5, M326, and Yale PM320 Sashlocks High-quality satin chrome finish for a sleek and modern look Easy to install and use for hassle-free security Durable 13mm size  Elevate your home security with the Rebate to Suit Union Sashlocks in satin chrome finish. Designed for a perfect fit and maximum protection, these rebates are a must-have for your doors.