This is a winch specially designed for a special fishing system of a small fish named sonso . It is a very light winch to be installed on the deck of the very small vessels practicing this type of fishing without lose stability. It has two drums driven independently each one from an hydraulic motor without clutch and a ribbon brake; one guide for the rope and the sides of the fishing net hydraulically assisted by means of an hydraulic cylinder. This is a very recent execution that has successfully changed the traditional system that stored the fishing net and the ropes on the deck.