Woodpeckers Precision Woodworking Tools DPTRACK36 Dual Purpose Track, 36-Inch Adaptable to any jig where solid clamping and straight tracking are needed Configured with 2 slots on one side, and 1 on the other A variety of very useful clamping fixtures can be built by embedding DP Track into a horizontal surface Use with clamping squares, miter clamp sets, toggle clamps, knuckle clamps, and more DP Track measures 1 3/4-inch x 1/2-inch and comes in lengths of 24-inch, 36-inch and 48-inch