Valve Lockout – Plug Locking range: 10~34mm rectangular valve stem; 15~50mm round valve stem. Color: Red. ● Compose of glass fiber nylon cover and stainless steel parts. ● Ideal for locking out the square and round valve stem. ● Manual locking without using extra tools. ● Suitable for lockout valves whose handle can be removed. Weight: 0.440 Kg.