Elma Collet Knob 45mm diameter gloss black No Line, to suit a 6mm diameter shaft. Ideal as a large tuning knob for Radio construction projects that use a 6mm diameter shaft, including the EC12E series rotary encoders. A 45mm diameter Knob Cap is not included and can be ordered separately here.
Elma Part # 020-7420, For more information please see the Elma Data Sheet