Best Marine Anchors: How to Choose the Right Type & Size for Your Boat
A complete guide to choosing the right marine anchor — anchor types, sizing by boat length, rode selection, scope ratios, and best practices for holding in any bottom condition.
Free shipping on orders over $150. Learn more
Returns are accepted within 30 days after shipment. To be eligible for a return, items must be unused, uninstalled, and in their original packaging, and proof of purchase is required. The following items are not eligible for return: Installed or used products, clearance or final-sale items, trolling motors, programmed AIS units, KVH Starlink products that are registered or opened, special-order products, or products displaying the notice “This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns.” in their description. Opened or unsealed DVDs, CDs, or cartography (unless defective) are not eligible for return. Return Merchandise Authorization (RMA) numbers are required for all returns. Learn more.
Egret Marine ships marine parts and accessories within the contiguous United States only. Orders are typically processed same day if placed before 3pm CST, excluding weekends and holidays. Learn more.
AutoChart Zero Lines Map Card
The Zero Lines map card is the starting point for building your maps with AutoChart or AutoChart Live. With these all-important Zero Lines as your foundation, you can begin creating your own, accurate, and detailed maps of any fishing spot, even where contour coverage doesn’t exist. Anglers can purchase Zero Line Map Cards to view the AutoChart-created maps on multiple Humminbird units. For those with the AutoChart PC program, simply export the map from the program to the extra Zero Line Map Card and you’ll have multiple charts of your favorite fishing spots ready to view on a range of compatible Humminbird fish finders. For GPS-equipped HELIX G2/G2N Series models and newer, and any APEX or SOLIX models, the Zero Lines card can record depth contours, bottom hardness, and vegetation directly onto the card.
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WARNING: This product can expose you to chemicals including Naphthalene which is known to the State of California to cause cancer. For more information go to P65Warnings.ca.gov.