Cliff CL178882 K21 Control Knob Black 6mm Splined

Cliff K21 Control Knobs and Coloured Caps - Cliff CL178882, A black control knob that fits 6mm splined-shafted controls. Cliff CL178882 K21 Control Knob Black 6mm Splined

Price: 0.59 from Rapid Online Rapid Electronics Ltd.