ONE (1) piece of each of the following sizes:Flat Tip (FT) size : 5, 7, 9, 11, 13, 15, 17 ( for flat & magnum needles )Diamond Tip (DT) size : 3, 5, 8, 11, 14, 18 ( for round liner & round shader needles)Round Tip (RT) size : 1, 3, 5, 7, 9, 11, 13, 15, 18 ( for round liner & round shader needles )