Amazon.com: 12 Piece Round Cup Burs Set: Home & Kitchen
Amazon's monopoly is squeezing your public library, too - The Washington Post
Walter 01V006 Tungsten Carbide Finishing Bur – 3/8 in. X 3/4 in. Double Cut Cylindrical Round Nose Bur with 1/4 in. Shank, Vibration Free. Cutting Tools: Cutting Burs: Amazon.com: Industrial & Scientific