Powerwinch 712A Trailer Winch [P77712]12v Electric Trailer Winch The 912 and 712 Trailer Winches are well established with solid, reliable reputations. They feature smooth power in free wheel out action. You can use a pulley or block at the bow eye to double your pulling power You can get more strength out of your trailer winch, but it slows retrieval speed 50%. Remote power in freewheel out operation 60 amp standard wiring harness Pulley block for double line applications Two year