• Self-energizing lower jaw provides 3X more gripping power than traditional locking pliers, with no slipping or stripping
• Provides maximum torque without requiring heavy input pressure – jaw mechanism naturally grips tighter as more torque is applied to the tool
• Classic trigger release provides maximum locking force
• Curved jaw puts tremendous pressure on four points of any style nut or bolt head, making it perfect for any application that requires maximum torque
• Constructed of high-grade heat-treated alloy steel for maximum toughness and durability
• Hardened teeth are designed to grip from any angle
• Hex key adjusting screw tightens to adjust pressure and draw materials together and provides a controlled release
• Backed by the IRWIN VISE-GRIP Lifetime Guarantee