XS Scuba High Pressure QD Adapter. 

Features: 

• Add to any pressure gauge, console or air integrated console
• which uses a standard high pressure hose
• Remove your gauges for safe storage
• Bayonet mount style quick-connect (push in and turn)
• Gauge attachment end has 7/16”-20 female threads
• Hose attachment end has 7/16”-20 male threads
• Airspool with Viton o-rings included
• Brass construction with black chrome finish
• Cleaned for use with up to 40% pre-blended Nitrox