2pcs Air Tank Pressure Checker for Scuba Diving with 4000 Psi Gauge Regulator Tester Alat Test

and high qualityHigh Wear-resistant and excellent durabilityCan be used for Altaros\/Ninja\/Taiwan\/China regulators or similar regulatorsThis tester is a tool when setting the output regulator, for those who like to \/learn to the output regulator, this tool is very important.The top hubcap has an air exhaust bolt and a manometer so it's easy to read the regulator outputcolor: BlackMaterial: aluminum alloyPackage Contents:2 x Air Tank Pressure CheckerOnly 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.