... case, plastic rotating window, brass internal and connection. Product Name:iron case with chrome plated Pressure Gauge 1) Dial size: 1.5, 2, 2 ... ) Material of connection and internal: brass, chrome plated brass, stainless steel6) Scale: single or double with psi (lb/in), bar, kg/cm2 ... box, special printing acceptedOuter Packing:Cartons, packed in PVC belt iron case with chrome plated Pressure Gauge