DESCRIPTION: Indication Range: 1~150psi, 0-6,000psi or According to customer order Case Nominal Diameter:?25, ?27, ?35 Case Material: Plastic, Chrome Brass Windows: Glass, Polycarbonate, Acrylic Movement: Brass, Stainless Steel Connection: Bottom Connection Accuracy: 1.6% Inlet Thread: 1/8", 1/4", NPT ,BSPT, BSPT or according to customer order