EASY TO USE: The schraders core grabber tool make it be easily inserted into the inner valve core to control the core.GREAT FUNCTION: The valve core remover installer tool is made of pure copper; The metal knob is all designed with anti-slip design; The schraders core grabber tool make it be easily 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 1/45/16 can adapt to R22/R134/R410/R32R air-condition, external by pass port design can remover valve cores.High strength and hardness.1/4inch and 5/16inch Valve Core Remover Installer Tool for R22 R410A R404A R407C.The metal knob is all designed with anti-slip design; Remove valve cores quickly and easily. Designed with a stainless steel ball and brazed side fitting for durability and long life.GOOD DESIGN: Durable, solid brass tool has a ball valve that can be opened and closed in just a quarter-turn, rather than a slower to operate stem-type valve.Colour: gold+redMaterial: brassPackage Contents:1 * Remover1 * AdapterOnly 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.