feature: 1/4 inch male SAE x 5/16 inch SAE female connector. Suitable for R410a mini split air conditioner, HVAC and refrigeration service. The thimble of the connector prevents fluoride leakage and ensures . Made of brass, the valve has high tensile strength and is to . Easy to operate and install. Compatible: R410A, R134A, R12, R22, R502, AC, HVAC refrigeration charging hose Angle compact ball valve: Product specifications: Size: 4.9 x 3.7 x 0.9 inches Weight: 10.7 ounces Material: metal Mini split adapter: specification: Size: 3.9 x 2.7 x 0.8 inches Weight: 2.88 ounces Function: Convert 5/16 inch SAE charging vacuum port (R410a type) to accept 1/4 inch SAE measuring hose kit. color:copper color Package Contents: 3 * angle compact ball valves 4 * for mini split systems Only the above package content, other products are not included. Note: Light 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.