Krick Windforce 502 SailwinchThis Sail winch in the standard servo size for sailing yachts. A special feature of the Windforce sail winch series is the encapsulated winch drum. As a result, the sheet is guided and cannot jump off the drum. In this version of the Windforce sail winch, the drum turns approx. 2. 5 turns. features * Heavy duty plastic gear * Additional guidance of the sheet through the closed diaper drum of the sail winch .