DIY Frequently Asked Questions / Locking Pliers')"> • Adjustable, vise-type locking pliers that can be locked on to a work piece and operate like a clamp.
• Features an adjustment screw that changes the jaw size to apply the correct clamping pressure.
• Available in various sizes and shapes: curved jaw puts pressure on any style nut or bolt head; curved jaw with wire cutter also allows user to cut wire; straight jaw provides maximum contact on flat, square or hex work; long nose provides easy access in hard-to-reach places; large jaw is used by plumbers, welders and mechanics working with large objects; and bent nose is for work in tight places.
• Some use a mechanism that allows one-handed release; others require two hands to disengage.
• Many locking pliers provide a wire-cutting function, some from a full range, others from a restricted range of jaw settings.