Black case and red point 50mm bourdon tube pressure gauge 1.High quality and best price; 2.80% products was exported; Black case and red point 50mm bourdon tube pressure gaugeProducts Description1,Diameter:40mm,50mm,60mm,75mm,100mm,150mm,200mm;2,Case:Black plastic case and red point;3,Connection:Brass material,stainless steel and rear connection;4,Thread:PT,NPT1,G/8,1/4,3/8,1/2;M6x1,14x1.5,20x1.5 ...