... , plastic rotating window, brass internal and connection. Product Name:iron case with chrome plated Pressure Gauge 1) Dial size: 1.5, 2 ... : brass, chrome plated brass, stainless steel6) Scale: single or double with psi (lb/in), bar, kg/cm2 (kgf/cm2 Kpa, mpa ... % - 3% , ±2.5%8)Lip Material: Plastic, plastic dial face, glass dial face9)Bourdon Tube: brass, phosphor bronze, stainless steelInner Packing ...