Allows you to unroll and ferler the focus from the cockpit on transportable drifts and cruisers. It is not planned to partially reduce the sail .- The drum and the swiss swords are equipped with several floors of derlin or torlon balls offering total freedom of rotation under load. The drum is made in Aluminum has a diameter of 73mm and requires a 4mm maneuver rope. Maximum workload: 227kg ideal for dinghies up to 4.90m. It is to be used for adapted Focs, Gennakers or Genoese. EMMAGASINEUR - Rooter