Solution: This set comprises a versatile 4-way key and a multifunctional water utility key with square, triangular, and circular shapes. Each design addresses various needs, providing a practical solution for common water line issues. Superior Quality and Durability: Made from high-quality alloy steel, this wrench delivers robust and long-lasting performance. The heavy-duty construction resists deformation under extreme force. A 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 easy to carry. It can be conveniently stored in your pocket, toolkit, or vehicle for quick access during emergencies. Versatile Usage: This practical water utility key works with various valve systems, including those found in water lines, radiators, gas lines, electric systems, trains, cabinets, and elevators. It serves as a compact tool set ideal for handling multiple valve operation tasks. Compatibility Notice: The dimensions of the 4-way key set are clearly stated. Please verify compatibility with your intended devices before purchase to ensure proper fit and function. 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 this set. Note: Light reflection and differences in display settings may cause slight variations between the color of the item in the image and the actual product. Measurement accuracy may vary within +/- 1-3 cm.