R.C Square (in mm)
50, 55, 60, 63, 70, 75, 80, 100, 125

Rounds (in mm)
12, 14, 16, 18, 20, 22, 23, 25, 28, 30, 32, 36, 40, 42, 45, 50, 53, 56, 60, 63, 65, 70, 80, 90, 100, 110, 125, 142, 156, 168.

Flats (in mm)
Width - 30 to 300.
Thickness - 6 to 35