Gauge will hold pressure values and has pressure release valve with drain hose for safe fuel recovery. Dual color coded scale gauge for easy and accurate reading.Measuring range: 0-140psi (0-10 bar). Made of high quality Brass, rugged and long-lasting. Instruction for NEWEST VERSION TU-114: TU-114 now has all the most common adapters, you don't have to worry about the applicability. Fitting size: 1#Adapter: .305-32 Schrader valve (Specifically for Ford Cars) 2# Adapter: M12x1.25//7/16-20 UNF 3#Adapter: M12x1.5//7/16-20 UNF 4#Adapter: M8x1mm//7/16-20 UNF 5#Adapter: M14x1.5//M12x1.5 6#Adapter: M12x1.5//M10x1 7#Adapter: M14x1.5//M12x1.5 8#Adapter: M12x1.5//M8x1 9#Adapter: M12x1.5//M8x1 10#Adapter: M12x1.5//M8x1 11#Adapter:7/16-20 UNF//7/16-20 UNF 12#Adapter:7/16-20 UNF 13#Adapter:M8X1&//7/16-20 UNF 14#Adapter: Size 6 15#Adapter: Size 8 16#Adapter: Size 10~16 17#Adapter: Straight rod M12x1.5 18#Adapter: M14x1.5 / M12x1.5 bending bar 19# Adapter: M12x1.5//7/16-20 UNF Fuel injection pump gasoline pressure tester gauge can quickly indicate whether the fuel pump is defective or inconsistent while pressure flow. The tester can be calibrated from 0-140psi. It suits for most of the vehicles except CIS-Jetronic, Bosh, GM. With the blow mold case, very easy to carry and convenient for storage. Gauge