Round Tip Bur #2, Latch-Type, 19 mm - Carbide ( Pack of 5 )The Round Tip Bur #2 is used for most canines. Round burs are useful for creating access holes, removing buccal bone, creating a moat around root fragments and smoothing alveolar bone. Latch Type burs cannot be used in push button handpieces, they are specific for doroit style attachments. Sizes range from 1 4 to #10. The most commonly recommended round burs for veterinary dentistry are the 1 4 and 1 2 for felines and #2 and #4 for canines.