Designed to match our Beehive escutcheons on locking doors. Suitable for use with a multitude of heavy duty locks, latches, and thumbturns for various purposes . We recommend using a 3", 4", or 5" latch/lock. Coordinate with our Beehive cabinet knobs to create consistency throughout your home. Knob Size: 50mm Dia. Projection: 64mm Rose Size: 51mm Spindle Size: 8mm (threaded)