EziGuide Boat Loader EG10 is suitable for Powerboats 4.2 to 4.8m (14 to 16ft) in length. The EziGuide EG10 self Align Boat Loaders make loading your boat onto a trailer an easy one person operation. The Eziguide bolts to the back of trailers (bolts supplied) and are made with powerful springs on each arm that helps the boat self align. The Boat Loader has two separate spring loaded 365mm roller arms bolted at either side of the existing rear keel roller. The EziGuide Boat Loader is easy to fit and simple to use.