Unique, outward rotation allows for easier installation in confined space applications Surrounds valve operating handle to protect against accidental valve opening Tough, lightweight, dielectric Zenex ™ thermoplastic bodies withstand chemicals; perform effectively in extreme conditions (temperature range -50°F (-46°C) to 350°F (177°C)) Up to four workers can apply their personal safety locks Each size rotates into itself and nests into the next larger size to save space in safety tool boxes Complete with high-visibility permanent safety labels (English, French and Spanish) that can be written on to identify the responsible person and then erased for the next job Valve Type: Gate Manufacturer Part Number: 482 Size: Fits 4" to 6 1/2" Dia. Valve Handle