18 metric sizes
6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22 and 24mm
Spline shape removes 8 types of fasteners: 6 and 2 Pt. Metric, 6 and 12 Pt. SAE, Spline, Square, E-Torx and even on 30% rounded fasteners
Chrome vanadium steel, heat treated and mirror polished
See chart above for full coverage