SCI RN-99A(Ø6.4mm) Control Knob-Black/Silver Cap-White Line-6.4mm ...

SCI RN-99 Series Control Knobs for 6.35mm (¼in.) Shafts - Screw Fixing - SCI RN-99A(Ø6.4mm), A 19.5mm control knob with a spun aluminium inlay. SCI RN-99A(Ø6.4mm) Control Knob-Black/Silver Cap-White Line-6.4mm Shaft 45mm

Price: 1.99 from Rapid Online Rapid Electronics Ltd.