Approximate Cutting Edge Size:
 
Width: 3 cm   Height: 5 cm (size small)
Width: 6 cm  Height: 8 cm (size medium)
Width: 9 cm  Height: 11 cm (size large)
Width: 10.5 cm  Height: 12.5 cm (size X large)
Width: 15 cm  Height: 17 cm (size XX large)