Over forty years ago the founder of HydroHoist invented and patented the world’s first hydro-pneumatic boat lift designed for use by the recreational boater. Today, we’re still leading the way with innovation and quality, and are the largest hydro-pheumatic boatlift manufacturer in the world! Featuring “all steel above the water” and the only polyethylene tank designed and manufactured exclusively for use in boat lifts. .Heavy-duty construction .Precision-designed, custom molded polyethelene tanks .All steel parts above the water .Hot dip galvanized steel frame and fasteners .Heavy duty dock brackets w/ bumper guards .Side padded step pittman .Bushings at all pivot points .Adjustable hull pads