The split spindle is designed to replace the solid spindle of a door handle allowing the external handle to operate the lock mechanism with a cylinder key only. The inside handle can be operated as normal for a quick and easy exit. Size: 54mm/64mm Corrosion: Meets the requirements of BS EN 1670:2007 Grade 4 Corrosion Resistance (240 hours) Operation: Endurance tested in excess of 50,000 cycles
