Happy Troller Large Trolling Plate (460) by Davis Instruments. For the Fisherman who thinks he has everything Slows even big motors down to that "ever-so-slow" fish tantalizing speed. A significant invention in the sport of troll fishing, Happy Troller™ mounts on the anti-cavitation plate to allow fine control of trolling speed. At cruising speed, your boat's stability is enhanced. Locks in " Down" position for trolling. Locks in "up" position for cruising. Happy Troller is the answer to correct trolling speed. Use it year-round in all boating activities; salt and fresh water.
- Fits up to 50 hp engines
- Drilling required
