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