Service Valve Socket Adapter Hex Shut Off/On Tool - Hex - 3/16 & 5/16" -  AC/Refrigeration - Used in conjunction with a hex ratchet service wrench also available on our site.  New and made by Supco. Good quality. Part No. RWA10

Used for opening/shutting AC service valves. 

Heat-treated hex works for 3/16" and 5/16" hex valves.

Black Oxide plated.

For accessing liquid and suction based valves on residential and commercial units up to 7.5 tons.