SmartTrack RACE Housing Short Pin Extended (ST3768)Smart Track Housings for Race Kayaks are available in two Mount styles. The Short Pin inserts in a hole drilled in the flat area of the rear deck and is held in place by a retaining screw. The Extended Tiller plate is measured from the leading edge of the blade housing to the center of the pin is 40mm. This is most commonly for some models of EPIC KAYAKS,