Channellocks are adjustable slip-joint pliers with a series of grooves that let the jaws open to several widths while staying close to parallel, named after their best-known maker. Electricians use them to tighten locknuts and connectors, hold conduit fittings and turn anything too big for ordinary pliers. A 10-inch and a 12-inch pair are common in a tool bag.
Heard on the job
Snug that locknut with the Channellocks, then tap it with a screwdriver so it bites into the box.
Also heard as
- channel locks
- pump pliers
- water pump pliers
- tongue-and-groove pliers