Big Horn 18413 Table Saw Insert, Delta style Fits Delta and other saws with a 3-3/4-Inch by 13-3/8-Inch opening, including Powermatic #63, Grizzly, and other imports. Eliminate spaces between blade and saw insert where small pieces fall through and provides added support for your work. A must for working with veneers and melamine Excellent with dado blades Comes with fitting nubs, leveling screws with allen key, and rear stabilizing pin.