The Basics All comb sizes are designed to fit any Oster Clipper as well as most other clippers available. High quality grooming product, you simply attach the comb to the blade's base, pull up and then secure it into position.   The Benefits The set includes the following: #0 (1/16"), #1 (1/8"), #2 (1/4"), # 3 (3/8"), #4 (1/2"), #5 (5/8"), #6 (3/4"), # 7(7/8"), # 8(1"), #10 (1 1/4") along with a storage case.