Round

2 - 2.5

2.5 - 3

3 - 3.5

3.5 - 4

4 - 4.5

4.5 - 5

5 - 5.5

5.5 - 6

Oval

4 x 3

5 x 3

5 x 4

6 x 4

6 x 5

7 x 5

8 x 6

9 x 7

10 x 8

11 x 9

12 x 10