Package List: 1 * hvac core removal tool, 2 * refrigeration repair wrenches, 1 * hex drill adapter, 2 * built-in bottom magnets, 10 * cores.Compatible: Our hvac core removal tool is suitable for R22 R12 R407 R410 R404 R32 air conditioning systems.Material: Our ac tools for hvac is made of copper and plastic, which is durable. It has a non-slip design for your long-term use.Function: This hvac tools and equipment can quickly and easily replace the leaking core, remove and install the core without losing refrigerant.Easy to install: Our hvac service tools comes with the most commonly used sizes, with multiple sizes of 1/4"x3/8", 3/16"x 5/16", 1/4"x 5/16". The hexagonal adapter can be installed and converted between R410 and R32, and is easily inserted into the inner core to check the core. Our hvac ac core kit allows you to quickly and easily replace leaking cores, remove and install cores without losing refrigerant. This tools and equipment is suitable for suitable for R22 R12 R407 R410 R404 R32 air conditioning systems. Product material: high quality brass + plastic Package List:1* Core Removal Tool Hvac, 2* Refrigeration Repair Wrenches, 1* Hex Drill Adapter, 2* Built-in Bottom Magnets, 10* Cores