Interchangeable bearings to cut rabbets of different depths producing smooth cuts on both surfaces<br> Use on hand-held and table-mounted portable routers<br> Cuts all composition materials, plywoods, hardwoods, and softwoods<br> Solid Hardened Steel Bodies with Anti-Kickback Design<br> Kickback reducing design<br> Precision ground for the smoothest cuts<br> Easy to use<br> Color: yellow,silver<br> Material: Carbide Tipped<br> Rabbet Cutting Depths: 1/2 inch, 7/16inch, 3/8 inch, 5/16inch, 1/4 inch, 1/8inch<br> 6 Bearing Sizes: 3/8 inch, 1/2inch, 5/8 inch, 3/4inch, 7/8 inch, 1-1 / 8inch with inner diameters of 3/16 inch.<br> Shank: 1/4 Inch<br> Package Contents:<br> 1 * 1/4 inch handle tenon router drill bit<br> 6 * bearings<br> Only the above package content, other products are not included.<br> Note: Light shooting 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.