The 33412 is the 18 Inch version of the unique Jorgensen E-Z HOLD bar clamps range which allow for rapid, 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. Pony Jorgensen offers a wide range of bar clamps ideal for DIYers, hobbyists, carpenters, cabinetmakers, woodworkers, metalworkers, and everyone in between. Made with high-quality aluminum and steel to last as long as the pieces you craft. For those who cut wood not corners.