This set includes 2* 4-way sillcock keys, with sizes ranging from 1/4" (6.4mm) to 11/32" (8.7mm), offering ultimate versatility for various tasks. ● Crafted from top-grade alloy steel, these keys are ultra-sturdy and long-lasting, ensuring reliable performance. ● Featuring a compact 4-in-1 design, they are lightweight and ultra-portable, perfect for on-the-go use. ● Conveniently stash them in your pocket, first aid kit, or car for quick access during emergencies. ● Compatible with a wide range of valves, including sillcocks, radiators, electrical systems, water lines, gas connections, trains, cabinets, elevators, and more. ● Before making your purchase, kindly ensure compatibility with your specific device for seamless operation. Versatile for Multiple Uses: This water key set comes with two 4-way sillcock keys, suitable for 1/4" (6.4mm), 9/32" (7.1mm), 5/16" (7.9mm), and 11/32" (8.7mm) valve stems. It's a perfect fit for various taps and valves, fulfilling your daily needs. However, please ensure compatibility with your equipment before making a purchase. Robust Construction for Longevity: Crafted from top-grade alloy steel, these silcock keys boast a nickel-plated finish. This combination ensures a sturdy structure that's resistant to deformation and rust, guaranteeing durability even in harsh conditions. Convenient and Compact: The 4-in-1 design of this faucet key set offers convenience and portability. Compact and lightweight, it easily fits into pockets, first aid kits, or cars, ready for use in emergencies. Effortless Operation: The ergonomic design of this hose bib key simplifies usage. Simply select the appropriate size, insert it into the tap or valve, and gently turn to switch on or off. It's a practical plumbing tool that makes tasks effortless. Universal Application: This water utility key is a versatile tool, suitable for opening and closing sillcocks, spigots, radiators, and most valves. It can also replace worn-out sillcock handles. Moreover, it doubles as a utility spanner for various applications in electricity, water, gas, trains, taps, lifts, and other fields.