Three sizes, and two rudder face sizes available:
Fin3-155: Pair/ double (standard and large face size)
Fin3-200: All quads/ fours, as well as mould 802, 806, and 807 eights (standard and large face size)
Fin3-230: 803 and 805 mould eights (standard and large face size)
 
Standard face rudders are supplied as standard on all Swift boats. Large face rudders can be useful for rowing on winding rivers