The Master Lock No. 482 Rotating Gate Valve Lockout Device features a 48mm depth and 64mm stem opening for 10,2cm to 16,5cm 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 Zenex™ Thermoplastic body withstands chemicals and performs effectively in extreme conditions. Includes high-visibility permanent safety labels.