Professional AC charging port valve core remover and installer set Compatible with standard, JRA and schrader valves. but you will need to use a dab of vacuum grease on the end of the probe to insure that the schrader valve stays attached to it during core removal.Will work on both R134A and R1234YF automotive air conditioner systems Come with every thing you need for a fast and effective valve core replacement job Organized in an impact abs case for easy storage.Colour:goldMaterial:copperPackage Contents:1 * Air Conditioner Installer ToolOnly the above package content, other products are not included.Note: Light shooting 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.