1" C-Clamp

Irwin 1" C-Clamp. It has tough, double-rolled threads that offer fast clamping pressure adjustments and give the tool a long service life. As you apply up to 900 pounds of clamping pressure with the cast iron Irwin 1-inch C-clamp, its swivel pad maintains stable contact with the pieces being clamped and tilts to match angled surfaces. The pad is also oversized to minimize surface marring, making this compact tool an excellent choice for working with delicate materials. The Irwin C-clamp has a 1-inch clamping capacity and a 1-3/16-inch throat depth. Its large handle lets you more apply pressure with less effort, reducing hand fatigue.