Thickness (mm)* I II III IV V VI VII VIII 5.45 6.05 6.94 8.27 5.60 6.39 7.17 8.31 4.95 4.98 5.03 5.07 2.60 2.60 2.59 2.60 Width at Mark 3 (mm) Mark III (5mm thickness) Initial Final 19.10 19.56 Mark VII (2.5mm thickness) Initial Final 0.00