The main boom of this vibratory screed measures 15'-0" in length. This screed also includes three auxiliary booms with respective lengths of 7'-6", 7'-6" and 2'-6". A fourth boom which measures 5'-0" is included as a parts boom as it is missing the center drive shaft. All booms are constructed of aluminum and measure approximately 18" in depth. This screed is equipped with an 1/4 HP single phase electric motor and two manual winches. FOB shipping point: Bucyrus, Ohio.