Don Barrow - Cockpit and Pacenote 12v Navigator and Marshal lights units attach Direct to your Roll Cage. NO dithering, shaking or light spillage in the cockpit. Available in 4 roll cage diameter sizes to fit - 32 - 38 - 45 - 50 mm. Wide choice of bulb configurations available from the 2 high efficiency mega bright LED bulbs units. All units include flex, switch & Connectors. Lightweight at only 84 Grams and 92 mm long. Built from high quality FIA Specification motorsport roll cage padding.