| NO. | SIZE IN INCH | SIZE IN MM |
| 1 | 6" | 150 |
| 2 | 8' | 200 |
| 3 | 10" | 250 |
| 4 | 12" | 300 |
| 5 | 18" | 450 |
| 6 | 24" | 600 |
| 7 | 36" | 900 |
TOWER BOLT (HEX) 16mm (Ex.Heavy)
 16mm (Ex.Heavy).jpg)
| NO. | SIZE IN INCH | SIZE IN MM |
| 1 | 6" | 150 |
| 2 | 8' | 200 |
| 3 | 10" | 250 |
| 4 | 12" | 300 |
| 5 | 18" | 450 |
| 6 | 24" | 600 |
| 7 | 36" | 900 |