Irwin T0302EL4 Vise Grip Straight Jaw Locking Plier 175mm / 7\" The Irwin T0302EL4 Vise Grip Straight Jaw Pliers provide maximum contact on flat, square or hex materials. They are used in a load of different trades to get the job done quickly and efficiently. This model has a hex adjusting screw which tightens to draw the material closer together for a tighter grip. Their high-grade alloy steel is heat-treated for maximum toughness and durability, providing 2 x longer life than other models. Features: Straight jaw provides maximum contact on flat, square or hex materials Hex Key adjusting screw tightens to draw material closer together for a tighter grip. Loosens to provide controlled release Self energising lower jaw mechanism provides 3X more gripping power. Pivot allows the jaw to align on the workpiece for maximum grip without slipping or stripping High-grade alloy steel is heat-treated for maximum toughness and durability, providing 2 x longer life Specification: Size: 175mm Clamping capacity: 38mm