Involute jaw curve permits user to put tremendous pressure on four points of any style nut or bolt head.

Features:

• The world's most versitile tool ¬ó used for turning, cutting, tightening, clamping and twisting.
• Adjusting screw gives exacting pressure, stays adjusted for repetitive use.
• Hardened toothe design grips from any angle.
• High-grade alloy steel ¬ñ heat treated for maximum toughness and durability.
• Guarded release trigger for quick opening.
• Meets federal specifications GGG-W-00649.