DESCRIPTION: Indication Range: 1~17kg/psi, 0~35kg/cm2 or According to customer order Case Nominal Diameter: 21/2", 23/4", 3", 4" Case Material: Plastic, Mild Steel Windows: Glass, Polycarbonate, Acrylic Movement: Brass, Stainless Steel Connection: Bottom Connection, Center Back Male Connection Inlet thread: 1/4", 1/8", 1/2", 3/8", BSP, BSPT, NPT or According to customers requirements Scale: psi, bar, Mpa, Kpa, kg/cm2, Hg single or dual scale or According to customers requirements