drophook Catch Card - Get discounts on Fishing Gear, Guides & Charters when you present this card to these Participating Companies.Use these cards in-app with our built in Fish Measurer! *Must use with drophook - download FREE at drophook.com
Using aspect ratio, each our cards can help you assess the fork-tail length without needing a fish ruler. Each drophook fish ruler card comes with a unique ID for competing in tournaments.
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