Mentor 4331.4001 4331.4001 Control knob + hand Black (Ø x H) 14.5 mm x 14 mm 1 pc(s)

Axle mount: 4 mm; Control knob features: + hand; Factory colour: Black; Product size (height): 14 mm; Product size (Ø): 14.5 mm; Type (misc.): Matt

Price: £ 3.29 from Conrad Electronic