Tire Pressure Gauges used in Air Compressors 1.ABS /steel case 40--63mm 2.Brass Bottom & Back Connection 3.CE,Rohs Tire Pressure Gauges used in Air Compressors,Hollow Pumps,Air-Pressure Piping,Pressure Regulating Values,Testing Equipment,Medical Sterilizers,etc1. Case :ABS,Steel,Stainless Steel2. Dial Size: 1.5" (38mm) / 2" (50mm) / 2.5" (63mm) / 3" (80mm) / 4" (100mm) / 6" (150mm)3. Pressure ...