Convert from truss to etto [Italy]

Unit Definition (truss)
The truss is a traditional weight unit, generally equal to 4 stone or 56 pounds (about 25.4 kilograms). The truss was used primarily for measuring hay. In 1795, Parliament specified that a truss of hay should equal 56 pounds for old hay or 60 pounds (about 27.2 kilograms) for new hay.

Unit Definition (etto [Italy])
The etto is an informal Italian name for the hectogram, a unit of mass equal to 100 grams or about 3.5274 ounces.