Malone MicroSport Trailer Four Kayak Transport Package with 4 Malone AutoLoader XV Kayak Carriers Boat trailer bundled with 4 J-style AutoLoaders and spare tire kit Perfect for transporting kayaks, canoes, cargo boxes, and bikes 8-foot tongue can transport boats up to 20 feet long; 12-inch galvanized steel wheels J-style AutoLoaders include cam-style load straps and buckle protectors Spare tire kit with single 12-inch wheel; supports up to 355 pounds total