Details
| Parameter | UBD ( Unbreakable) | SUBD ( Super Unbreakable) |
| ID | 153 mm | 151 mm |
| OD | 166 mm | 164 mm |
| Deep | 12 mm | 11 mm |
| Weight | 135 gm | 150 gm |
| Parameter | UBD ( Unbreakable) | SUBD ( Super Unbreakable) |
| ID | 153 mm | 151 mm |
| OD | 166 mm | 164 mm |
| Deep | 12 mm | 11 mm |
| Weight | 135 gm | 150 gm |