This four-way water key that opens most water boxes. Four different sizes are included in this one key. It is attached to a lanyard on a carabiner so you can clip it to your keys, equipment, or just leave it in your work truck. Can also be used for radiators, stop cocks, outside taps, & electricity and gas cabinets

Sizes are 1/4" to 9/32" and 5/16" to 11/32" 2.2 x 0.5 x 2.5 inches Precision machined heat-treated steel