It is suitable for small and nedium vessels with upper and lower rudder constructions.
| Type | Name | Rudder Pintle Diameter | Application |
| A | Light Roller Upper Rudder Carrier | Dia.40-Dia.150 | Used to rudders with small loads and pintles of small flexility |
| B | Heavy Roller Upper Rudder Carrier | Dia. 120- Dia.340 | Automatic self-aligning ability and suitale for hinged rudder with heavy loads under bad situation |
| C | Watertight Roller Upper Rudder Carrier | Dia.120mm- Dia. 400 | It has the advantages of type B and Sealing Features |