Features: *Made of high-quality brass material. *Specially designed for R410a imported split air conditioners. *Features a 90° integrated leak-proof and pressure-resistant design. *Equipped with a 1/4" to 5/16" all-copper thickened adapter for easy connection. *Suitable for R410a Split air conditioners, HVAC, and refrigeration services. Specifications: *Product Name:R22 to R410 internal and external conversion joint 90° integrated leak-proof and pressure-resistant 1/4 to 5/16 all-copper thickened adapter *Material:Brass *Size:Total tail size: 1.6x4.1cm,Thread diameter: 11mm *Color:yellow *Connectors: 1/4" SAE male to 5/16" SAE female Package Content: 1 x Adapter Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data. Made of high-quality brass material. Specially designed for R410a imported split air conditioners. Features a 90° integrated leak-proof and pressure-resistant design. Equipped with a 1/4" to 5/16" all-copper thickened adapter for easy connection. Suitable for R410a Split air conditioners, HVAC, and refrigeration services.