100% Brand new and high quality High wear resistance and excellent durability Can be used for Altaros///China regulators or similar regulators Tester is a tool when adjusting the output regulator, for those who adjust/learn to adjust the output regulator, this tool is very important. The top cover has an air exhaust bolt and a large pressure gauge, so it is easy to read the regulator output Color: Black Material: Aluminum alloy Type: B Product Name: 5/8 Regulator Test Adapter Weight: 50g/Pieces Thread: 5/8-18UNF Height: 50.2mm Package Contents: 2 x Air Tank Pressure Tester Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in a little different from the real thing. The measurement allowed error is +/- 1-3 cm.