No-Drill Clamp Set markers increases your ability to turn

increases your ability to turn and reduces the cycle time on your auto-pilot system

Add fins to your hydrofoil and add directional control and stability that you've been missing

Aluminum construction and powder coated for good looks and durability

Works on most outboard and I/O stern drives up to 300 HP (Not recommended for the Volvo with exhaust through cavitation plate

No-Drill Clamp Set markers increases your ability to turnNo holes to drill when mounting the Uncle Norm's Fins with the No Drill Clamp Set. Works on most outboard and I O stern drives up to 300 HP (Not recommended for the Volvo with exhaust through cavitation plate.). It's simple, fast and effective. Aluminum construction and powder coated for good looks and durability.