Amana Tool 47092 Flush Trim with Ball Bearing Guide 1/4-Inch Diameter by 1-Inch Cutting Height by 1/4-Inch Shank Carbide Tipped Router Bit Excellent for Template Work 1/4-Inch Cutting Diameter, For Closer Inside Corner Cutting Only 1-Inch Cutting Height, 2-1/2-Inch Length 1/4-Inch Shank, 2 Flute Carbide Tipped, Industrial Quality