Bessey TG5.540 5-1/2-Inch x 40-Inch 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