Irwin 19 C-Clamp, 4 in Max Opening Size, Steel Body

Locking mechanism guarantees no slippage. Jaws open wide for versatility. Features: - Wide opening jaws provide greater versatility in clamping a variety of shapes - Turn screw to adjust pressure and fit work - Constructed of high-grade heat-treated alloy steel for maximum toughness and durability - Classic trigger release designed to provide maximum locking force