Extremely Versatile - Gate valve lock adjustable to fit 1-inch to 6-1/2 inch diameter valve handles, removable center knockout to lock out OS&Y or rising stem gate valve, works with gas valves, water valves, propane valves, and other industrial valves Industrial Grade - Rising stem valve device made of impact-resistant two-piece polypropylene, withstands temperatures from -51 to 300 degrees Fahrenheit, built to endure adverse industrial environments Premium Valve Lock - (1) gate valve LOTO with striking "Danger Locked Out Do Not Remove" label, accommodates up to 3 lockout padlocks with 3/8 inch shackle diameter OSHA Compliant - Lockout tagout gate valve device meticulously designed to help businesses meet and exceed compliance with safety standards and requirements Trusted Safety Supplier - TRADESAFE is an established USA based and owned industry expert and reliable safety partner for lockout tagout compliance supplies