Stainless Steel Handle with a measure or graduation on the reverse side. Size No.3. for Blades: No.6, 9, 10, 10A, 10R, E/11, 11, 11P, 12, 12D, 13, 14, 15, 15A, 15C, 15T, 16, 40 and SG3

This is the handle most commonly used with #10 and #10R blades for dermaplaning