Amana Tool 47114 Flush Trim with Ball Bearing Guide 1/2 by 1 by 1/4-inch Shank 3 Flute Carbide Tipped Router Bit Excellent for Template Work 1/2-Inch Cutting Diameter 1-Inch Cutting Height, 2-5/8-Inch Length 1/4-Inch Shank, 3 Flute Carbide Tipped, Industrial Quality