| Code | PILLAR DIA | Length | BALL DIA |
|---|---|---|---|
| ITBC 18 | 14 | 40,50 | 3 |
| ITBC 28 | 15 | 40,50 | 3 |
| ITBC 38 | 16 | 40,50 | 3 |
| ITBC 48 | 18 | 40,50 | 3 |
| ITBC 58 | 19 | 54,74 | 4 |
| ITBC 68 | 20 | 54,74 | 4 |
| ITBC 78 | 22 | 54,74 | 4 |
| ITBC 88 | 24 | 54,74 | 4 |
| ITBC 98 | 25 | 54,74,85 | 4 |
| ITBC 108 | 28 | 54,74,85 | 4 |
| ITBC 118 | 30 | 54,74,85 | 4 |
| ITBC 128 | 32 | 54,85,100 | 4 |
| ITBC 138 | 36 | 54,85,100 | 4 |
| ITBC 148 | 38 | 54,85,100 | 4 |
| ITBC 158 | 40 | 85,105,125 | 4 |
| ITBC 168 | 45 | 85,105,125 | 4 |
| ITBC 178 | 48 | 85,105,125 | 5 |
| ITBC 188 | 50 | 85,105,125 | 5 |