Solution: This set comprises a versatile 4-way key and a multifunctional water utility key (shapes - square, triangular, and circular). Each design caters to a multitude of needs, providing a solution for daily water line issues. Superior Quality and Durability: Made from high-quality alloy steel, this wrench delivers a robust and long-lasting performance. The heavy-duty construction resists deformation under extreme force. The nickel-plated finish enhances durability and provides excellent corrosion resistance for extended use. Compact and Portable: The efficiently designed 4-in-1 key set is small, lightweight, and highly portable. It can be easily stored in your pocket, tool kit, or vehicle for quick access during emergencies. Versatile Usage: This practical water utility key is compatible with various valve systems including water, gas, radiator, electric, train, cabinet, and elevator valves. It is a compact tool set ideal for handling most valve operations with ease. Compatibility Notice: The dimensions of the 4-way key set are clearly stated. Please verify compatibility with your intended devices before purchasing to ensure a smooth and hassle-free experience. Color: Black & Silver Material: Chrome vanadium steel Package Contents: 1 PCS 4-way sillcock key (silvery) 1 PCS water utility key (black) Only the above package content is included; other items are not part of the package. Note: Light reflection and differences in display settings may cause slight variations in the color of the item shown in the picture compared to the actual product. Measurement may vary by +/- 1-3 cm.