Surrounds the valve operating handle to protect against accidental valve opening.

Multiple workers can apply their personal safety locks.

Tough, lightweight, dielectric thermoplastic bodies withstand chemicals.

Perform effectively in extreme conditions temperature range (-46°C to 177°C).

Centre knockout can be removed for rising stem gate valves.

Each size rotates into itself and nests into the next larger size to save space in safety tool boxes.

High-visibility permanent safety labels (English, French & Spanish) that can be written-on to identify the responsible person, then erased for the next job.