The IRWIN® VISE-GRIP Original Locking C-Clamp with Swivel Pads, features 8"-wide jaw opening for more versatility and the ability to clamp a variety of items with just one tool. Pressure and fit can be adjusted with the turn screw that stays adjusted for repetitive use. Constructed of high-grade, heat-treated alloy steel for maximum toughness and durability, these small C-Clamps have swivel pads to protect work surfaces and the classic trigger release design that maintains maximum locking force where you need it..