Material: ABS
Diameter:
1"-21/2" (25mm-63mm)
21/2"-5(63mm-127mm)
5"-61/2"(27mm-165mm)
61/2"-10"(165mm-254mm)
10"-13"(254mm-330mm)

Color schemes:
You can choose from four colors: Red, yellow, blue and green. There the different ways to use these colors. First; Use red to indicate "power off", and green for "power on", secondly; Use the ANSI-designated color scheme, use blue for low hazard gas, green for low hazard liquid, and yellow for life or property hazards.
Purpose: Safe, inexpensive way to secure valves.
Than one worker needs to lock out.