[WIDE RANGE OF APPLICATIONS] The R410 adapter is used on most newer R410A ductless mini-split systems. Perfectly suited for R410a mini-split system air conditioners, HVAC, and refrigeration services. [FUNCTION] Useful adapter, converts 5/16-inch SAE charging vacuum ports Compatible with accepting 1/4-inch SAE hose set; 1/4-inch male SAE x 5/16-inch female SAE adapter. [45 DEGREE ADAPTER] The coupling nuts are deeply knurled Compatible with quick finger tightening. With a 45-degree angle on the service port side Compatible with easier access. [PREMIUM QUALITY] The adapters are made of heavy-duty brass material and well tested by the manufacturer, quick connection, good tensile strength, and corrosion resistance. R134a hose gaskets made of rubber, leak-proof and accurate. Tips: The product may be continuously updated. The actual product may have slight differences or color differences, color and appearance may change, please consider this. And please consider before ordering if you have requests for color or appearance. Product name: R410 adapter set Interface size: 1/4SAE to 5/16SAE Material: Metal Color: Gold Compatible with package contents: 1 * R410 adapter set Only the above Compatible with package contents, other products are not included. Note: Light reflections and different monitors may cause the color of the product in the image to differ slightly from the real item. The allowed measurement is +/- 1-3 cm.