Water Meter Key Wrench, Sturdy Water Shut Off Tool, Heavy Duty Multifunction with 4 Way Utility Tool for Valves (Yellow) Function: This water meter key wrench allows you to easily turn water meter valves, sprinkler valves, and shut-off valves on and off. Premium Material: Made of high-quality steel, this water meter key is rustproof, has high hardness, and is resistant to deformation, ensuring durability and strength. Ergonomic Design: Professionally manufactured with fine craftsmanship and a heavy-duty T-handle design for easier, more efficient operation. 4 Way Utility Tool: Includes a 4-way utility key that fits most valves used in electric boxes, meter boxes, gas systems, trains, cabinets, elevators, and more. Size: The water shut off tool measures approximately 41 x 19.5 cm (16.14 x 7.68 in); the inner diameter measures approximately 3.5 x 2.3 cm (1.38 x 0.91 in).