Set Includes: 3.5 mm (US E-4), 3.75 mm (US F-5), 4.0 mm (US G-6), 4.5 mm (US 7), 5.0 mm (US H-8), 5.5 mm (US I-9), 6.0 mm (US J-10), 6.5 mm (US K-10.5).