| Type | Overhung collapsible mandrel type |
| Mandrel | Four leaved, hydraulically operated gripper. |
| Expand/Collapse | By a hydraulic cylinder. |
| Drive | By a DC motor through helical gear reducer. |
| Brake | Electromagnetic. |
| Mandrel | Ø610 mm to 762mm |
| Purpose | Mandrel expand / collapse. |
| Type | Oil Hydraulic rotary union. |