Mercury - Revolution X 4-Blade Stainless Steel Propeller 21" Pitch Right-Hand Rotation Four-Blade Design Stainless Steel Polished Finish 8M0182948. Overview. There's something unforgettable about the feeling of power meeting precision on the water the way your boat lifts, grips, and glides when everything is working in sync. The Mercury Revolution X 4-Blade Stainless Steel Propeller (8M0182948) was built to make that moment happen. Designed specifically for the new Mercury V10 outboards, this pr