PSP 49009-BL 49009-BL Control knob + hand Black, Blue (Ø x H) 18.8 mm x 15.24 mm 1 pc(s)

Axle mount: 6 mm; Compatible with (details): The ALPHASTAT 16 series with toothed shaft; Control knob features: + hand; Factory colour: Black, Blue; Material: Polypropylene (PP), Thermoplastic ; Product size (height): 15.24 mm; Product size (Ø): 18.8 mm; Type (misc.): Design for serrated shaft Ø 6 mm, 18 teeth.

Price: 1.49 from Conrad Electronic