... price; 2.80% products was exported; Black case and red point 50mm bourdon tube pressure gaugeProducts Description1,Diameter:40mm,50mm, ... ,150mm,200mm;2,Case:Black plastic case and red point;3,Connection:Brass material,stainless steel and rear connection;4,Thread:PT,NPT1 ... ,Pressure range:-1.25~1.25MPa;7,Accuracy:1.6 and 2.5. Black case and red point 50mm bourdon tube pressure gauge