Our 4 Way Clamping System applies equal pressure from all four directions (top, bottom, and both sides). Ideal for gluing table tops, shelving, veneer, and laminates. Attach clamps to any length 2 x 2’s with screws provided, set jig and turn handle to tighten. Clamp has plastic pressure pads and two 19-1/2” tail bars of tough plastic with 12 notches to handle a variety of stock widths. Wood is not included.