Manufacturer: Tayda Electronics
Soft Touch - High Quality
Suitable for use with Rotary Potentiometers or Rotary Switches with Split Shaft 6mm Diameter
Multi-Coloured for Easy Identification
Ideal for Mixer Boards
Bottom Diameter: 16mm
Top Diameter: 12mm
knobs will fit on .234" diameter shafts.knobs will fit on .234" diameter shafts. I was disappointed to find they didn't fit on the variable resistors I bought from tayda.