Irwin 225105 C-Clamp, 10 lb Clamping, 5 in Max Opening Si...

Larger handle on this C-clamp makes it easier to apply torque for more clamping pressure with less hand fatigue, double-threaded screw reduces screw deflection and drift for faster clamping and allows you to apply 50% more clamping force than with most clamps for woodworkers, carpenters, welders, builders or do-it-yourselfers, suitable for general clamping needs, larger swivel pad reduces marring on work surface and increases stability.

• Double-rolled thread provides greater clamping speed
• Large swivel pad reduces marring on work surface and increases stability
• Large handle for greater clamping pressure with less effort

• Catalog https://assets.unilogcorp.com/187/ITEM/DOC/IRWIN_100000554_Catalog.pdf