Dummy Door Spindles are for non-turning doorknobs. This is a useful option for doors where the knob is not connected to a latch or lock. Surface mount spindle to door then simply screw on knob with 3/8-20 thread.*
additional: Dummy Doorknob Spindle with 3/8-16 thread
Great service - shipped quickly which helped me finish my project sooner. Will use these guys again!