It would be more convenient for an artist to alter one size when tattooing.it has 22 sizes including
Closed Round Tips: 1R, 3R, 5R, 7R, 9R, 11R, 13R, 15R, 18R
Closed Flat Tips: 5F, 7F, 9F, 11F, 13F, 15F, 17F
Closed Diamond Tips: 3D, 5D, 8D, 11D, 14D, 18D
