The NEW IRWIN Vise-Grip Fast Release locking tools have a one handed, trigger less release, so they‘re twice as easy to open as the traditional design. Anti-pinch, non-slip ProTouch Grips provide comfort, control, and less hand fatigue. Great for securely gripping and torqueing multiple surface shapes, including round pipes, square or hex bolts, and more. Perfect for any application that requires maximum torque. Jaw mechanism provides 3X more gripping power*. Pivot allows jaw to align on work piece for maximum grip without slipping or stripping. 2x Longer life*. High grade alloy steel is heat treated for maximum toughness and durability. 2x Longer life*. High grade alloy steel is heat treated for maximum toughness and durability. Tightens to draw material closer together for tighter grip. Loosens to provide controlled release.