• Heavy-duty, premium-quality version of the versatile and indispensable threaded C-clamp
• Drop-forged steel jaw for superior strength under extreme tension
• Machined hardened-steel spindle copper-plated for use without lubricants, resists welding splatter
• Self-adjusting swivel-pawl automatically adapts to irregular objects for even, more-stable hold
• 4" to 0.0" jaw-width; 2" throat-depth spindle-center to neck

One of the oldest, low-tech hand-tool designs but still one of the most effective for incredibly powerful pressing and holding strength in welding, metalworking, woodworking, gluing and hobby projects. Also available in 6" & 8" jaw-width. One-year warranty and Jack's Tool Shed worry-free Satisfaction Guarantee.