Catalog > Electro-Mechanical Components > Panel Meters and Accessories > Accessories > Switch Knobs KNOB18-0018 Press-Fit Control Knob Press-Fit Control Knob • with Red Pointer Part No: KNOB18-0018 Discontinued Specifications, Prices & Availability may change without notice. Images are for illustration purposes only. E&OE Features with Red Pointer Additional Information Base Diameter 18mm