The Master Lock Rotating Gate Valve Lockout Device 8" - 13" 484 allows for easier gate valve lockout device installation in confined space applications. It features a 3-3/8in (86mm) depth and 4in (101mm) stem opening for 8in (203mm) to 13in (330mm) diameter valve handles to surround the valve operating handle to protect against accidental valve opening. The unique, patented rotating design allows for easier installation in confined space applications. Tough, lightweight, dielectric Zenez™ Thermoplastic body withstands chemicals and performs effectively in extreme conditions. Includes high-visibility permanent safety labels.