Kysor/Medallion Marine Engine Gauge Package, five matching gauges with lights,  RPM  gauge 0-40 x10, volts gauge 10-16 ,

oil  pressure gauge 0-100 psi, water temp. gauge 10-24 x10, and  trans oil temp gauge 0-40 x10.

 RPM gauge measures 4" diameter, all others measure 2-1/4" diameter