Discontinued by ProBoat. But parts are still available, see below. ProBoat OutBoard Leg. This will fit boats in the 28-35" Range. The prop in this outboard is driven by a flex shaft, making it smooth and efficient. All aluminum lower unit makes for a strong, yet light weight outboard. The black top cover has screws that hold it on, in case of a crash/flip. This is a complete outboard unit with mounting brackets. Motor required. Comes as a complete unit with mounting bracket. Propeller, motor and cooling jacket for motor are required. Requires: Brushless Motor with 5mm Shaft.Propeller that fits 3/16" Shaft. No larger in diameter than 45mm