Mercury - Verado12 Front Propeller 23" Pitch Left-Hand 4-Blade Stainless Steel Polished 8M0166979. Overview. Large boats require substantial thrust, and the Mercury Verado 12 Front 4-Blade Stainless Steel Propeller (8M0166979) provides exactly that. Designed for Mercury's V12 Verado and SeaPro outboards, this propeller transforms horsepower into confidence on the water. You'll experience its powerful yet quiet operation-smooth, controlled, and refined. It is created for captains who demand their