Contents: Size: 7-9mm, Quantity: 21. Size: 8-10mm, Quantity: 20. Size: 9-11mm, Quantity: 15. Size: 10-12mm, Quantity: 15. Size: 11-13mm, Quantity: 14. Size: 12-14mm, Quantity: 8. Size: 13-15mm, Quantity: 10. Size: 15-17mm, Quantity: 7. Size: 16-18mm, Quantity: 6.