Standard medical gauge
1.Case: steel or plastic case;
2.Connection: phosphor bronze;
3.Movement: brass;
4.Pointer: steel,brass or aluminous;
5.Thread: NPT,PT,G1/8,1/4,3/8,1/2,M6x1,14x1.5,20x1.5...
6.Pressure range:0~580psi;