This cast aluminum offset type jack plate is designed for clamp-onmount outboard motors up to 35 HP. The unique design of thismini-jacker improves performance andhandling of smaller or lighter boats.The mini-jacker also allows mountingof long shaft motors to shorter shafttransom boats. The mini-jacker standsoff transom 4锟斤拷. The engine mountingsurface is 11-1/2锟斤拷 wide x 10锟斤拷 high andfeatures a vertical offset of 3锟斤拷. Theoverall width of transom mountingflanges is 17锟斤拷.