Denali 12-Inch Speed Grip Bar Clamp/Spreader, 2-pack

This Denali 12-inch Speed Grip Bar Clamp/Spreader does double duty, first as a super strong clamp, then, with just a few tool-free, easy adjustments, it becomes a spreader, so its uses are almost endless. The smaller jaw rides along the bar and can be positioned anywhere along its length, giving it great versatility both as a spreader and a clamp. Sturdy construction means dependability and a long life, as well as strength wherever you need it. The reinforced nylon jaws and steel bar provide the ultimate in durability, and thick, removable jaw pads protect your project from marring and damage. Changing between clamping and spreading is fast and easy. (Amazon)