Anodized aluminum and stainless steel construction. Holds speeds as low as 1 mph. Patented hinged design flexes to prevent bending. Fits outboard and inboards, 30 - 300 horsepower.

Reduces outboard engine speed. Mounts on the anti-cavitation plate. Locks up and down. Fits outboard motors up to 25 HP.

Extends behind a propeller. Utilizes prop wash energy, which is normally lost. Unique hydrodynamic design. Helps stabilize bow-light boats. Easy to install. Marine-grade anodized aluminum construction.

Doel-Fin hydrofoil.
Guaranteed unbreakable.
Gives your boat greater stability, better gas mileage.
Designed for use with small and large motors.