https://www.jpcorry.com/jp-corry-products/irwin-quick-grip-handy-clamp-37mm/
Irwin Quick Grip Handy Clamp 37mm
Description
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.