Steel  case/bezel, polycarbonate window, brass internal and connector
Diameter:1.5", 2.0", 2.5", 3"
Thread type:1/8", 1/4",1/2",3/8", NPT, BSPT, BSP
Pressure Range: 0-6000 psi
Scale: single scale or dual
Connection: radial, bottom connection;axial, center back connection; left, right