Description: Air Conditioner Refrigeration Adapter Connector for R410A Gauges Hose   Specifications: 1.Color: Gold 2.Material: Brass 3.External thread: 1\/4 inch(6.35mm) 4.Internal in thread: 5\/16 inch(7.96mm)   Features: 1.Made in brass、 durable and beautiful. 2.Suitable for R410a gauges hose   Package Included: 1x Adapter 1x Cap