Details
| Parameter | UBD ( Unbreakable) | SUBD ( Super Unbreakable) |
| ID | 140 mm 142 mm | 138 mm 140 mm |
| OD | 153 mm 155 mm | 151 mm 153 mm |
| Deep | 12 mm | 11 mm |
| Weight | 120 gm | 133 gm |
| Parameter | UBD ( Unbreakable) | SUBD ( Super Unbreakable) |
| ID | 140 mm 142 mm | 138 mm 140 mm |
| OD | 153 mm 155 mm | 151 mm 153 mm |
| Deep | 12 mm | 11 mm |
| Weight | 120 gm | 133 gm |