12.7 mm OD x .41 wall 49 grams   Size M

7.0 mm x  .635 wall 40 grams   Size L

6.5 mm x  .636 wall 38 grams   Size K

6.0 mm x .635 wall 35 grams   Size J

5.5 mm x .635 wall 31 grams   Size I

5.0 mm x .635 wall 26 grams   Size H

4.5 mm x .51 wall 20 grams     Size G

4.0 mm x .51 wall 17 grams     Size F

3.5mm  x .51 wall 14 grams     Size E

3.0mm x .51 wall  12 grams     Size D

2.5mm x .51 wall  10 grams     Size C

2.0mm x .51 wall  7.6 grams    Size B

1.8mm x .25 wall  3.8 Grams   Size A

.925 sterling Silver 12 inch long