Remove and install valve core in the system,R410A R22 includedReplace Leaking valve cores quickly and Work on service valve cores of booth 1/4 inch and 5/16 inch service portsDurable, solid brass tool has a ball valve that can be opened or closed in just a quart-turnSolid Brass/Steel construction designed solid and to lastFeatures:Suitable for the crowd: or and do-it-your-self men alikeAbout this itemWork with: easy connect with 1/4 or 5/16 R22 or R410a yes, dual sizeGreat function: The valve core remover installer tool is made of pure copper; The metal knob is all designed with anti- design; The 's core tool be inserted into the inner valve core to control the core. No need to stop the machine, no need to release the refrigerant, the dual size 1/4&5/16 can adapt to R22/R134/R410/R32 Rair-condition, external bypass port design can remover valve cores.Ball value handle, metal cap, 's core tool, built-in magnet at the bottom base.Color: goldMaterial: copperLength: 117mmNote: the valve and disconnect the air conditioner removing the valve core.Package Contents:1 set * 1/4 inch & 5/16 inch SAE Valve Core remover and install toolOnly 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.