Provides a stronger joint by increasing the surface area for glue. Plane boards to a uniform thickness, align bit to the center of the board, then reverse each board for the glue joint. Cuts all composition materials, plywood, hardwood and softwood. Use on CNC and other automatic routers as well as table mounted portable routers.

• Align bit to the center of the board, then reverse each board for a perfect glue joint
• Cuts all composition materials, plywoods, hardwoods and softwoods