Safety first, folks! This ball valve lockout device is serious business for anyone working in industrial settings. If you're in maintenance, facilities, or any job where valve safety matters, this thing is a game-changer. It fits a huge range of valve sizes - from 1/4 inch all the way up to 2-1/2 inches - so you don't need a bunch of different locks. The adjustable arms handle handles up to 1.675 inches wide, and it even works on insulated pipes. Made from tough nylon that can handle extreme temps (-40°C to 180°C!) and stainless steel components, this lock can take whatever your workplace throws at it. Best part? No tools needed - just adjust, lock with the key, and you're protected. Comes with 2 keys so you've got a backup. OSHA compliant for lockout/tagout procedures, meaning you're following proper safety protocols. Perfect for chemical plants, factories, water treatment facilities - anywhere you need to make sure valves stay shut during maintenance. Stay safe out there!