Squares:
Side x Side in mm -
21 X 21, 65 X 65, 80 X 80, 95 X 95, 105 X 105, 130 X 130, 155 X 155

Flats:
Thickness x Width in mm -
20 X 80 / 105
32 X 65 / 130
40 X 105 / 130 / 155 / 205 / 255 / 405
50 X 80 / 105 / 130 / 155 / 255 / 305 / 405
65 X 80 / 105 / 130 / 155 / 205 / 255 / 305.
80 X 105 / 130 / 155 / 205 / 255 / 305
105 X 130 / 155 / 160 / 175 / 205 / 255 / 355.
130 X 155 / 160 / 180 / 205 / 255
135 X 160
155 X 205