Description: 【Versatile Application】: This valve core removal tool is ideal for air conditioning, refrigeration and other equipment. 【Sturdy Construction】: Crafted from brass material, our valve core removal tool is sturdy for long term use 【with Brass Adapter】with R454B Tanks Adapter, suitable for A2L refrigerants, supports connection with , R454A, R454B and other. 1/4" SAE internal thread is a reverse thread structure, which avoids misconnection to traditional refrigeration systems 【Double Size Port】Valve core repair tool with double size 1/4 and 5/16 port,quick and easy to replace leaking valve cores. 【Double O Ring Ball Valve Seal】: This Double O Ring ball valve seal for accurate blank off vacuum testing Specification: Material: Brass Size Chart: Valve Core Removal Tool: 10cmx6cmx4cm/3.94inchx2.36inchx1.57inch R454B Tanks Brass Adapter: 1/4 inch external thread Package Includes: 1 Valve Core Remover Tool 1 R454B Tanks Brass Adapter Note: Please allow slightly errors due to manual measurement and different monitors.