Mentor 4133.603 4133.603 Knurled head button Black (Ø x H) 28 mm x 17 mm 1 pc(s)

Axle mount: 6 mm; Compatible with (details): Series 28; Factory colour: Black; Product size (height): 17 mm; Product size (Ø): 28 mm; Type (misc.): Button for series 28

Price: £ 3.49 from Conrad Electronic