2.5" (63mm) to 6" (150mm) durable gauges
2.5" (63mm) dial have a blue and red coloured case for easy identification
Dual scale (psi/°F)
Flutterless movement on the 2.5" (63mm)
Chlorofluorocarbon (CFC) temperature scales (R-12, R-22 & R-502)
Brass internals
1/4" NPT standard
CRN registered