No more C-clamping with a self-clamping straight edge to guide your power tools for truly straight cuts * Aluminum extrusion is extra wide for rigidity over the 54 inch length * Raised T-tracks accept A, Twin, and Ultra series Saw Plate, Router Plate and Stop Block but will not work with Contractor series accessories * Nylon jaws hold work piece securely and are predrilled for accessory Wide Jaws and Tall Jaws * Make cross cuts on 4 foot by 8 foot stock