It's good for up to a 14' boat. It's this one that Harbor Freight sells:http://www.harborfreight.com/cpi/ctaf/Displayitem.taf?itemnumber=5002I've upgaded it with 12" wheels/tires and it includes a spare. It also has a winch, is assembled and registered and liscensed with Calif. DMV.I'll sell it for $200.Ken Andersonkrandersons@msn.com