... Detail:25daysSpecificationsair pressure gauge1) Case with rolling 2) Dial: 1.5", 2", 2.5", 3", 3.5", 4", ... 6" 3) Connection size: 1/8"air pressure gauge1) Case: steel with bronze plate2) Dial ... : 1.5", 2", 2.5", 3", 3.5", 4", 6 ... steel c) Connection: brass, stainless steel d) Dial and pointer: aluminum e) Window: glass, polycarbonate7) ...