Model Number: Hydraulic Pressure Adapter Display Type: Analog Max Measuring Range: 49 PSI and Low This series of products are widely used in hydraulic system pressure detection, lubrication, exhaust, oil sample pressure system. sealed by good sealant, with long service life. It can withstand high pressure and has good temperature resistance. Advanced structure, reliable sealing, no oil leaks. light weight, easy to use. Quantity: 28 pieces colour:Silver Material:metal size:Dial Diameter: 1.9 Inches and Less Dust cover color random, Not accepting designation Package Contents: 2 x Test Coupling M16 x 2 2 x Test Coupling G1/8 2 x Test Coupling G1/4 2 x Test Coupling G3/8 2 x Test Coupling M10 x 1 2 x Test Coupling M10 x 1.5 2 x Test Coupling M12 x 1.5 2 x Test Coupling M14 x 1.5 2 x Test Coupling UNF7/16-20 2 x Test Coupling UNF1/2-20 2 x Test Coupling UNF9/16-20 2 x Test Coupling NPT1/4-18 2 x Test Coupling R1/4-19 2 x Test Coupling JIC37 degree-7/16UNF Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.