Mentor 332.6 Control knob Black (Ø x H) 20 mm x 15 mm 1 pc(s)

Axle mount: 6 mm; Compatible with (details): Series 20; Factory colour: Black; Product size (height): 15 mm; Product size (Ø): 20 mm; Type (misc.): Knobs series 20

Price: 3.49 from Conrad Electronic