IRWIN VISE-GRIP GrooveLock V-Jaw Pliers, 8-Inch, 2078108 None Imported Tongue and groove pliers have a press and slide button that quickly adjusts lower jaw All purpose jaw grips on round, flat, square and hex shapes Multi-Groove Ratcheting System has 2X more positions than other tongue-and-groove adjustable pliers for a precise grip on almost any surface Adjustable pliers feature ProTouch Grips for extra comfort and reduced hand fatigue Ratcheting action allows GrooveLock to be adjusted from the open position up to the work piece by pushing the handle up--no need to press the button