To use knobs with a set screw, simply line up the set screw with the split in the shaft and tighten the screw. Threaded Shaft Length (Imperial) 12.7 mm (0.5"). Glued to Music.
CTS 500K Audio Taper Short Shaft Guitar Pot/Potentiometer for Scratchplates
CTS 500K Linear Taper Guitar Pot/Potentiometer (Metric (mm))
1957 CTS 500K Linear Taper Split Shaft Potentiometer ------------- Cool!
CTS 250K Audio Taper Solid Short Shaft Guitar Pot/Potentiometer
CTS 250K Audio Taper Guitar Pot/Potentiometer (Imperial (inch))
1973 Pair of CTS 250K Audio Taper Split Shaft Potentiometers - Cool!