25mm

17*18mm

15*16mm

12*13mm

9*10mm

7*8mm

5*6mm

18mm

15mm

12mm

10mm

8mm

6mm

18mm

15mm

8mm

6mm

13-14*1cm

10-11*1cm

7-8*1cm

4-5*0.5cm

8mm

8mm

8mm

8mm

8mm

8mm

8mm