Product Name:Pressure Gauge For general use, black steel case, plastic rotating window, brass internal and connection. Product Name:stainless steel & ... )7) Accuracy: 3% - 2% - 3% , ±2.5%8)Lip Material: Plastic, plastic dial face, glass dial face9)Bourdon Tube: brass, phosphor bronze ... , stainless steelInner Packing:Paper box, special printing acceptedOuter Packing:Cartons, packed in PVC belt