Gauges - available to suit Fuel, Water or Waste in both European 0-190 Ohm Impedance and American 240-33 Ohm Impedance. All gauges come complete with wiring loom and suit both 12v and 24v systems. They all have a 48mm dial size, 61mm overall width and 52mm cut-out hole size. They suit panel thickness up to 20mm. Depth behind 40mm.