The XT-TECH series of scuba diving...
High-quality brass pressure gauge, suitable especially for main tanks and stages.
Body: black nickel treatment Stainless steel ring: PVD treatment PVD is 300 times harder than chrome.
White faced gauge with black PVD coating
Nautilus 23mm button gauge. Reads 0-350 bar use for 0-250 bar
Standard 7/16 UNF HP thread
52mm brass pressure gauge for Oxygen use on 15cm rubber hose with green boot