Available in 3, each in sizes 1, 5 and 8 and 3 in 6, 10 & 14. 24 pc. Set, 1 each of the smaller size burs including:(Rd. 008, 010, 015, 018, 20) (Cup 010, 015, 017, 025) (Bud 009, 014, 023) (Hart 010, 013, 018, 025) (Setting 100, 120, 150, 160, 170, 200, 250, 330)