Iver Euro Roller Mortice Lock 6071 Roller Mortice Lock have been designed for all door types including narrow stile and allow for a consistent back plate length across the various functions of a project. Roller Mortice Lock Function is ideal when used in conjunction with pull handles, allowing for free access when the door is unlocked. Features: High security euro roller mortice lock for external applications. Reversible Tongues and Latch Retraction Tested over 130,000 cycles Specifications: Backset: 60mm Height: 174mm Width: 17mm Projection: 85mm Centre to Centre: 85mm Finish: Matte Black