Feature High Quality: Made of hard plastic, with no rust or corrosion. Lightweight, compact in size, and easy to grip. Each tool is marked with a permanent label(Size: mm and inch) for easy identification. 7Pcs Line Quick-Connect Release Tool: The Transmission Line Removal Tool set contains 7 kinds of opening sizes: 1/4 inch, 5/16 inch, 3/8 inch, 1/2 inch, 5/8 inch, 3/4 inch, and 7/8 inch. Dual-Sided Valve Core Removers: Having a short and a long valve core wrench will help your job done easily All are made of high-quality alloy material, providing high hardness and precision while dealing with various torsion forces. Mess-Free Storage: All of the fuel Line Quick Disconnect tools are packed in a plastic container, to prevent them from getting mixed up. It is convenient for you to use and store, allowing you to get the right tools quickly. Widespread Applications: The comprehensive disconnect tool set for separating automotive ac hose and fuel lines, work for most fuel lines, air conditioning lines, heater lines, radiator hose, AC cooling lines, transmission oil line, etc. Specification Material:Plastic + Metal Size:1/4 inch, 5/16 inch, 3/8 inch, 1/2 inch, 5/8 inch, 3/4 inch, 7/8 inch Suitable for: separating automotive ac hose and fuel lines Application For :most fuel lines, air conditioning lines, heater lines, radiator hose, AC cooling lines, transmission oil line, etc. Package Included 16Pcs/Set Fuel Line Disconnect Tools