The Mercury Black Max 8M0185637 Aluminum 3-Blade Propeller (10.6" × 12", RH) delivers the perfect mix of performance, reliability, and value for small and mid-range outboards. Engineered by Mercury Marine, this factory OEM prop is designed specifically for Mercury and Mariner 25 BigFoot 4-Stroke and 30–60 HP outboards with a 2.17:1 gear ratio. Built from durable, corrosion-resistant aluminum, the Black Max propeller offers excellent acceleration, smooth handling, and efficient cruising for a variety of boats—whether you're running a fishing skiff, pontoon, or small runabout. Its balanced 10.6-inch diameter and 12-inch pitch give boaters dependable hole-shot power while maintaining steady top-end speed and fuel economy. Each prop is precision-cast and tested to Mercury's strict marine performance standards, ensuring an exact fit with no modification needed. Compatible with Mercury's Flo-Torq hub system (sold separately), this OEM prop is a trusted, proven performer for all-around boating.