To make your automatic tangon system on your dinghy, use the SPIRO system for fixing on the mast. Convene for: - 420-445 - 470 - 485- 490 - 505- Flying Dutchman - Finn - Fireball- Koralle - Korsaruder - Open 5.00 - Open 5.70- Pirat -Ponant - Vaurien - Windy