Excellent Grip V-Jaw design provides multiple points of, they can bites into pipes, rods, shafts and fasteners of flat, round, square and hexes shapes.Precise positioning to grip on objects of all types and sizes V Jaw Under quenching, hardness none need to worry about flatten, aligned jaw withanti-wear teeth have a nice grip Quick Adjust Model Because of a Double Guide, Press and moves up and down more quickly to adjust jaw size, which is labor-saving and improving efficiency Size long 15cm / 5.9inch Widely Used Widely used than traditional channel locks plier plumbers and diys homeowners: gripping, pulling, tightening & loosening nut, bolts, pipe & fittings, Manufacturer: ZBIianxer