Product Description
The CANNON 3991913 is a low-profile swivel base designed for use with Cannon downriggers. It allows for 360-degree rotation of the downrigger, with 16 locking points every 22.5 degrees, providing versatile and secure positioning of your fishing gear. This feature enhances safety and convenience on the water.
Key Features:
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360-Degree Rotation: Allows for complete rotational control of your downrigger.
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16 Locking Points: Secures the downrigger in place at 22.5-degree intervals.
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Low-Profile Design: Maximizes space on your boat.
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Durable Construction: Made from a combination of strong composite materials and stainless steel for longevity and reliability in marine environments.
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Pre-drilled: Simplifies installation.
Compatibility:
The CANNON 3991913 Swivel Base is designed to be compatible with all Cannon downriggers. This includes, but is not limited to, the following models:
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Easi-Troll
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Uni-Troll 5 ST and Uni-Troll 10 STX
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Mag 5 ST, Mag 10 STX and Mag 10 STX-TS
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Digi-Troll 5, Digi-Troll 5 TS, Digi-Troll 10, and Digi-Troll 10 TS
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Optimum
It is also compatible with Cannon's Universal Base and Tab Lock Base systems. This part number may also be referenced as 2207003 and is a replacement for the older 2998905 part.

