Interchangeable bearings to cut rabbets of different depths producing smooth cuts on both surfaces Use on hand- and table-mounted portable routers Cuts all composition materials, plywoods, hardwoods, and softwoods Solid Hardened Steel Bodies with Anti- Design reducing design Precision ground for the smoothest cuts Easy to use Color: yellow,silver Material: Carbide Tipped Rabbet Cutting Depths: 1 or 2 inch, 7 or 16inch, 3 or 8 inch, 5 or 16inch, 1 or 4 inch, 1 or 8inch 6 Bearing Sizes: 3 or 8 inch, 1 or 2inch, 5 or 8 inch, 3 or 4inch, 7 or 8 inch, 1-1 or 8inch with inner diameters of 3 or 16 inch. : 1 or 4 Inch Package Contents: 1 x 1 or 4 inch handle tenon router drill bit 6 x bearings Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 1-3cm. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.