Tighten conduit locknuts and ream both the inside and outside of conduit with one tool. These pliers have combination jaws with multiple curved openings to work with ½” (13 mm) and ¾” (19 mm) EMT conduit locknuts and ½” rigid conduit locknuts and flat nuts. Their machined nose fits snugly into locknut wings. They can also pull wire and fish tape, thanks to their serrated jaws. They have plastic grips for comfort.