ITEM NAME:Copper Valve Core Remover Valve Core Handling Tools Engine Valve Tools Description: The valve core remover installer tool is made of copper. The metal knob is all designed with anti-slip design. The 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 frigerant. Replace Leaking valve cores quickly and easy. Specification: Material: Copper Size: Approx. 18cm / 7.08 inch Package Includes: 1 Piece Valve Replacement Tool Note: Please allow 0.1-0.5 inch difference due to manual measurement. The color of the actual items may slightly different from the listing images due to different computer screen, thanks for your understanding..The valve core remover installer tool is made of copper. Material: Copper. Replace Leaking valve cores quickly and easy. No need to stop the machine, no need to release the frigerant. Size: Approx.