Dominant Specifications:
25 * 25 * 3mm
30 * 30 * 3 mm
40 * 40 * 4 mm
50 * 50 * 5 mm
63 * 63 * 6 mm
70 * 70 * 7 mm
75 * 75 * 8 mm
100 * 100 * 10 mm
150 * 150 * 15 mm
180 * 180 * 16 mm
Any length can be customized.