2.5" (63mm) Diameter Glycerine Filled 10,000 PSI Pressure Gauge
 
	
Max Working Pressure: 10,000 PSI (700 Bar)
	
Connection Location: Bottom
	
Thread Size: 1/4" 
	
Thread Type: NPT
	
Filled: Glycerin Filled
 
These are standard, high pressure gauges and are compatible with all major brands of hydraulic tools which use 1/4" NPT ports