Description: The whole is made of high quality brass. Piston type decompression structure. Intake joint with sintered bronze filter. Easy to read pressure gauge. Suitable for G5/8 tank valves. Specification: Material: copper Size: Thread size: G5/8 Measuring range: 0-3000 PSI Package Includes: 1 Piece Balloon Inflator Note: The color may have different as the difference display, pls understand. Please allow 1-3mm error due to hand test.Thank you