Portable Electric Winch Winder is the most economic means to power all fold-up backstops with manual winches installed. You only need to buy only one portable winch winder and use it for any number of backstops. The winch winder features reversing switch enabling the equipment to be raised or lowered without disengaging the winder. The geometric right angle drive allows for easy handling. The winch winder has a heavy duty single phase 115 volt motor.