This router bit set simplifies door contruction! Make entry doors, passage doors and any furniture tenons easily. The included tenone cutter produces a beefy 1-1/16in long tenon. Coupled with the cope cutter, you can produce long and strong tenons with minimum set up. As an extra bonus the tenon cutter can be used for furniture making work that requires any tenon from 3/16in to 5/8in thick. These bits feature super-strength superior steel bodies, anti-kickback design to control the depth of cut, Non-Stick Orange Shield Coating and cutting edges made of SinterHip Hi-Density Industrial Chrome Carbide for a long-lasting performance.From the ManufacturerThe new CMT three-piece set simplifies door construction, making it easy as 1, 2, 3! This is a multi functional set for door makers and furniture makers building entry doors, passage doors and any furniture that requires the superior strength of the mortise and tenon joint. The included tenon cutter produces a beefy 1-1/16-Inch long tenon. Coupled with the cope cutter, you can produce long and strong tenons with minimum set up. As an extra bonus the tenon cutter can be used for furniture making work that requires any tenon from 3/16-Inch to 5/8-Inch thick. Comes with instruction manual and instructional DVD.