Dual size: 1/4" and 5/16" Service Access Schrader Schreader Schroeder Dill Valve Core Remover Installer Changer, with Ball Valve

You are looking at a brand new 1/4" and 5/16" Valve Core Remover/ Installer. Yes, One tool works on 2 sizes of valves!   this tool is needed by every HVAC field service professional! FEATURES:
You can remove and install valve cores without the loss of refrigerant(yes in the charged system, R410 systems, too).
Replace Leaking valve cores quickly and easily.
work on service valves cores of booth 1/4 " and 5/16" service ports.
Stainless steel ball valve to close the port when the core is removed.
Durable, solid brass tool has a ball valve that can be opened or closed in just a quart-turn.
Brass body brazed side fitting for durability and long life.
Newer design with a side port: 1/4" SAE Flair to check if the job is done right or not.
NOTE: NEVER OPERATE the valve when the steel shaft is in the valve!!!
NOTE: Cores sold separately, or there is a kit that come with the core replacements.

For an instruction of how to use this tool, go to: http://viot.us/showmanual.php?model=VT&sw=0
WE SUPPLY HVAC SCHOOLS AND CONTRACTORS!EMAIL ALL QUESTIONS TO JOHN

[!condition:new!]