Corresponds with (c) in the diagram.

Available choices:

1. Spring .273 x 2 x 43 (RH) coated
2. Mark Springs:  250  x 2 5/ 8 x 31 R
3. Mark Springs:  250  x 2 5/ 8 x 31 L
4. Spring .250 x 2 x 33 (RH) coated
5. Spring .218 x 2 x 28 (RH) coated
6. Spring .207 x 2 x 22 (RH) coated
7. Spring .207 x 2 x 22 (LH) coated
8. Spring .200 x 2 x 14 (RH) coated