Description: Safety Gate Valve Lockout Hollow circular shell surrounds a pressurized gas valve handle to against valve opening Nesting halves with rotating design for installation in confined spaces and a compact storage footprint Specil design require multiple authorizations to allow operation of a locked out valve Made of ABS Plastic, heavy duty Specification: Product Dimension(Outer Diameter x Bore Diameter) Approx. 364 x 105mm/14.3 x 4.1 inch Fit Size: 254-330mm/ 10-13 inch Package Includes: 1 Piece Gate Valve Lockout