Standard medical gauge 1.ISO9001:2000,CE and CMC; 2.80% products was exported; 3.High quality and best price. Standard medical gauge1.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;