Polar Pressure Control Handle or Pressure Set Handle (010028, 010784, 010784A, 232637). This pressure set handle or "foot pedal" fits all Polar models which use this type of pressure adjusting handle. It is made of cast aluminum, has a 20mm diameter through hole, and has a reference scale riveted to the face. It is a direct replacement for the original Polar plastic handle. It will not crack with age like the original plastic handles do.