Perfect Locking: Locks 1/2inch - 2 1/2inch diameter ball valves when the valve is closed and 1/2inch - 1 1/4inch when the valve is open. Ball Valve Lock: Used to lock the most common ball valves in a safe position, commonly used in tap water pipeline valves, industrial tap water valve handle locking, marking and isolation, etc. Our ball valve locks meet 's locking standards and are designed to meet safety standards. Padlock Pairing: This adjustable ball valve has multiple holes for precise padlock positions and can hold up to 5 safety padlocks. Built-in spacers that can be added or removed as Engineering-Grade Material: Made of strong and engineering plastic, unlike ordinary plastics, this engineering material has better performance, can withstand temperatures from -20 to 200Fahrenheit, is more and to chemical ., Weight: 699.0 pounds, Manufacturer: Xnuiasqe