Shipping included, nationwide anonymous delivery, ships within 24 hours. FCS HI-1 Harley Ingleby Tri-Fin. Single fin + side fins Unlike the standard FCS tri-fin, only the center fin is an FCS one-touch single box fin type. Compared to the currently sold HI Harley Ingleby tri-fin X-LARGE type, the side fins are larger and the center single fin is smaller. This model allows you to create a tri-fin setup with the red and black one-touch type single fin of the FCS HI-1 model and side FCS side fins of the same size, and includes a set of side fins that can be attached to the rare old FCS type plugs. geb - Model: FCS HI-1 Harley Ingleby - Color: Red and black stripes - Type: Center single fin + side fins of the same size - Material: Honeycomb structure, carbon & fiberglass There are no scratches or chips on the outline, and it is a used fin with little signs of use, but please purchase if you are not overly concerned about minor imperfections. Thank you for viewing. Type... Fins, single fin + side fins Fin system/fin box... FCS, FCSⅡ and single BOX Number of fins... 3