INCRA Build-It T-Slot Panel Connector, 18 in. is an essential component of INCRA's Build-It jig hardware system. These connectors allow you to easily join the 5/8" pre-cut and pre-drilled MDF Build-It Panels, which are sold separately, providing added strength, rigidity, and a rock-solid T-slot. This makes it simple to add and position jig accessories and hold down clamps, enabling you to create hundreds of custom jigs and fixtures quickly with just a screwdriver and your creativity. The package includes one 18-inch Build-It T-Slot Panel Connector, proudly made in the USA. Please note the actual length of this connector is 18 inches, and other components like INCRA Build-It Panels and Miter Sliders are sold separately. Model Number: BCONECT18