Length = 22.5 cm / 8-3/4", Trapezoidal fenestrated

Fig. = 1, Width = 16 mm,
Fig. = 2, Width = 17 mm,
Fig. = 3, Width = 18 mm,
Fig. = 4, Width = 20 mm,
Fig. = 5, Width = 21 mm, or
Fig. = 6, Width = 23 mm