HBK
buffer seal
| ITEM | ID | OD | H | Gh |
| HBK | 50 | 65.5 | 5.9 | 6.3 |
| HBK | 55 | 70.5 | 5.9 | 6.3 |
| HBK | 60 | 75.5 | 5.9 | 6.3 |
| HBK | 65 | 80.5 | 5.9 | 6.3 |
| HBK | 70 | 85.5 | 5.9 | 6.3 |
| HBK | 75 | 90.5 | 5.9 | 6.3 |
| HBK | 80 | 95.5 | 5.9 | 6.3 |
| HBK | 85 | 101 | 5.9 | 6.3 |
| HBK | 90 | 106 | 5.9 | 6.3 |
| HBK | 95 | 111 | 5.9 | 6.3 |
| HBK | 100 | 116 | 5.9 | 6.3 |
| HBK | 105 | 121 | 5.9 | 6.3 |
| HBK | 110 | 126 | 5.9 | 6.3 |
| HBK | 115 | 131 | 5.9 | 6.3 |
| HBK | 120 | 136 | 5.9 | 6.3 |