Rotating Valve Lockouts, Gate TypeUnique, outward rotation allows for easier installation in confined space applications Surrounds valve operating handle to protect against accidental valve opening Each size rotates into itself and nests into the next larger size to save space in safety tool boxes Tough, lightweight, dielectric Zenex thermoplastic bodies withstand chemicals; perform effectively in extreme conditions (temperature range 50F ( 46C) to 350F (177C)) Up to four workers can