19/32 in, Overall Height 35/64 in, Inside Dia.
55 in, Tap Type Blind Hole, Includes Cup Point Set Screw, Paint Fill, Standards H. Control Knob, 1/4" Thread Size, Bushing, Brass Type, 0.36" c'bore Brass Set Screw, Thread Type Brass, Bushing, Color Black, Features Synthesizers and Other Electronic Applications, Finish High Gloss.H.