Universal Mounting Cup for 52 mm Gauge SpecificationsThis black plastic mounting cup is designed to accomodate a 52 mm diameter gauge to ensure that your instrumentation fits perfectly into the interior of your vehicle. It conceals the back of the gauge and can be mounted on the dashboard or steering column.The cup tilts back and forth and swivels 360° and comes with a double-sided cushioned tape disc to save you drilling holes in your dashboard. What's more the bottom of the cup allows the gauge wiring to pass through neatly.