Versatile, rugged, easy to use and lightweight, our universal valve lockouts are effective for a variety types of standard valves. Can also be used to lock out large levers, T-handles and hard-to-secure mechanical devices. New open-ended clamp fits over closed rings and wide handles. Made of industrial-grade steel and nylon for extra impact and chemical resistance. Cable attachment is 1/8" nonconductive nylon cable. Additional base clamping units, blocking arms and cable attachments sold separately.