JORGENSEN E-Z HOLD Series 33406 Medium-Duty Expandable Bar Clamp, 300 lb, 6 in Max Opening Size, 3-3/8 in D Throat

"Look, Ma! One hand!" unique Jorgensen EZ HOLD bar clamps allow for rapid and easy clamping and can easily be converted to spreader clamps. The contoured comfort grip and quick-release lever make it simple to get a firm grasp and our exclusive patented feature lets you join two clamps together to create a clamp with more than double the opening capacity of a single clamp. Deep reach pads help protect your work.