Irwin 59400CD Handi-Clamp, 75 lb Clamping, 4 in Max Opening Size, 3 in D Throat, Resin Body

Quick-Release' trigger allows for fast and easy positioning and release. Patented ratcheting mechanism provides adjustable clamping pressure and significantly reduces hand force required to generate clamping pressure. High-tech resin construction provides strength and durability. Specially designed jaws hold odd-shaped workpieces.