Cannon Downriggers Cannon Lock. The Pin-tumbler locks securely to prevent theft or separation. Specifications for Cannon Downrigger Lock: Manufacturer: Cannon Size: One Size Color: Silver Quantity: 1 Features of Cannon Downrigger Lock Locks securely to prevent theft or separation. Pin-tumbler lock for ultimate security. Compatible with all Optimum and Magnum Models. Obsolete Downrigger Compatibility: Digi-Troll 5 Digi-Troll 5 TS Digi-Troll 10 Digi-Troll 10 TS Package Contents: Cannon Downrigger Lock The Cannon Downriggers Cannon Lock 1903020 is a quality addition to the Cannon lineup. For more great deals on Fishing Gear by Cannon please browse our Cannon Fishing Gear page. Cannon Downriggers Cannon Lock 1903020