Chesapeake Black 4 Multifunction GaugePerimeter-lighted black dial with stylish blue and white graphics, polished stainless steel bezel, contoured White pointer, and domed glass lens.4 - Hole size 3.375 85mm Multi-Function Gauge DisplaysFuel E-12-FVoltmeter 10 - 18 VDCOil Pressure 0 - 80 PSIWater Temperature 120 - 220 F4 - Hole size 3.375 85mmSpecificationsAnti-scratch glass lensPerimeter lighted back light12 VDC negative groundCan be adapted for 24 VDC systems Factory PN GF0007Sold as an Indivi