All tiller arms are manufactured with cylindrical tightening side to be fitted on rudder shaft of standard diameter Ø25; Ø30; or Ø35, or on request.
Tiller arm is castled in bronze. On one side is a drilled hole (8 mm or 10 mm diameter, standard, or other size, on request) for connection to steering gear. The shape of other side looks like cylindrical bracket with a pair of stainless bolts for tightening on rudder shaft.
Rudder tiller arm L 130 ( 130 is the distance in milimeter, from center of steering gear connecting hole, to center of rudder shaft connecting bracket), has to be used in combination with hydraulic cyljnders HC 400; HC 700 and HC 1050.