The Acme 14.5 x 14.25 1235 4 Blade Inboard Propeller is a high-quality propeller designed for inboard engines. With a 1 1/8 bore size, this propeller is compatible with a range of boat sizes and models. The 4-blade design provides efficient and reliable performance, making it a great choice for boaters looking for a durable and effective propeller. Nautique, Ski Boat, Wake Board, Surf Boat, Surfing