The EasyTroller holds trolling speeds as low as 1 mph. In the event of accidental acceleration, the patented spring-hinge design flexes upward, preventing damage to the trolling plate. Constructed from marine-grade aluminum and stainless steel. Mounts directly to the cavitation plate of your outboard or outdrive motor, a few inches behind the propeller. Does not include hydrofoil fins. Made in USA. One-year warranty. Short plate fits outboard motors 30 HP to 45 HP. Marine-grade aluminum and stainless steel Does not include hydrofoil fins Short plate fits 30 HP to 45 HP O/B motors | EasyTroller Hinged Metal Trolling Plate, Short Plate without Fins Made in USA