Description: 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. 280 x 89mm/11 x 3.5 inch Fit Size: 165-254mm/ 6.5-10 inch Package Includes: 1 Piece Gate Valve Lockout