Timberline 260-10 Rabbeting Router Bit 1-1/4-Inch Diameter by 1/2-Inch Cutting Height by 3/8 Rabbet Depth by 1/4-Inch Shank Carbide Tipped Router Bit 1-1/4-inch cutting diameter 1/2-inch cutting height, 2-inch length 3/8-inch cutting width 1/4-inch shank, 2 flute Carbide tipped, professional quality