| Product Code | Dimensions | Description | Weight (Approx) | |
| Internal “A” | Length “B” | |||
| 411 | 150mm Dia | 915mm | Plain | 40Kg |
| 413 | 225mm Dia | 915mm | Plain | 60Kg |
| 414 | 300mm Dia | 915mm | Plain | 90Kg |
| 416 | 600mm Dia | 915mm | Plain | 240Kg |
| 411 PERF | 150mm Dia | 915mm | Perf | 40Kg |
| 413 PERF | 225mm Dia | 915mm | Perf | 60Kg |
| 414 PERF | 300mm Dia | 915mm | Perf | 90Kg |
| 416 PERF | 600mm Dia | 915mm | Perf | 240Kg |