In-LineClamp™ 2pk Versatile Side Clamping System Apply horizontal pressure against stop blocks, bench dogs, T-track stops, fences and more with these handy clamps. The low profile helps tools pass over the top of boards 19mm or thicker without interfering, letting you access the surface of your work piece form edge to edge. Low profile height is less than 19mm letting you use the entire surface of workpiece Included CamStops™ support back edge of workpiece when clamping 1/4″-20 T-Bolt works with most T-Tracks