... Glass or plastic Standard pressure gauge with black steel case and bezel Specifications can be made per customer's ... copper alloy. 2.Heating ,air-conditioning technology, pneumatics,air compressor, vacuum pump, pressure air regulating, testing equipment, medical sterilizer ... 160 Steel, blackDesign for window:snap on plastic(for plastic case ), screw in polycarbonatesteel, steel black bezel(two screws ) ...