Bessey CDS24-12WP 12-Inch Throat x 24-Inch Opening Heavy Duty Tradesmen Bar Clamp Reliable clamping workhorse for woodworkers Patented profiled rail, I beam design that minimizes flexing or bending Non-slip locking device+ADs- long ergonomic handle Protective non-marring pads Zinc-finished drawn rail to prevent black marks from appearing on wood