This 15 spline HUB is a highly high-quality hub that features precision machining for maximum durability and a precise fit, highly flexible internals for ease of use, the best hub for your bronze stainless steel props. HMS Hubs, Inc. is a trusted supplier to the world's leading OEM Propeller Manufacturers. They also have Chrysler/Force, Johnson/Evinrude, Tohatsu/Nissan, Honda, Suzuki, Yamaha, and Volvo stock. Key features: The new 15 SPLINE range provides exceptional performance for your bronze stainless propeller Best-Quality Hub in the market Extremely long-lasting Precision Machining Specifications: Brand: HMS Hubs Manufacturer's Part Number: VS-11-80 Category: Boat accessories Mercruiser, Mercury, Mariner (All Inboards) (with Mercury controls) For Mariner 1993 and older, 40 hp and under, use CC-210-XX