Amana Tool 47106 Flush Trim with Ball Bearing Guide 1/2-Inch Diameter by 1/2-Inch Cutting Height by 1/4-Inch Shank Carbide Tipped Router Bit Excellent for Template Work 1/2-Inch Cutting Diameter 1/2-Inch Cutting Height, 2-1/4-Inch Length 1/4-Inch Shank, 2 Flute Carbide Tipped, Industrial Quality