Premium Material: Crafted from high-quality steel, this water valve key is sturdy and durable, offering excellent wear and corrosion resistance. It is rust-resistant, ensuring a long service life. Multiple Sizes: The key features four different sizes (1/4"", 9/32"", 5/16"", and 11/32"") to meet various daily needs. Please verify compatibility with your equipment before purchasing. Compact and Portable: Its compact design makes it easy to store and carry. You can keep it in your pocket, toolbox, glove compartment, or utility drawer, ready for whenever you need it. Versatile Use: This multifunctional key is suitable for shut-off valves, outdoor faucets, radiators, utility systems (electric, water, gas), various valves, cabinet doors, and more. It serves as a practical wrench for operating outdoor faucets and various types of valves. Weight: 0.88 lbs.