... brass internal and connection. Product Name:iron case with chrome plated Pressure Gauge 1) Dial size: 1.5, ... zg, pt)4) Case material: black steel, plastic, chrome plated steel, stainless steel,iron5) Material of connection and internal: ... Tube: brass, phosphor bronze, stainless steelInner Packing:Paper box, special printing acceptedOuter Packing:Cartons, packed in PVC belt iron case with chrome plated ...