Powerwinch 315 Trailer Winch (20' x 7/32" cable) Electric trailer winch for loading your boat into a trailer Saves muscle and hassle by loading boat with the press of a button 12-volt cable offers smooth power-in/freewheel-out action Pulls boats up to 4,000 pounds; quick line speed of 15 feet per minute 20-foot cable; measures 10 by 8 by 10 inches (W x H x D); 1-year warranty