Humminbird AutoChart Zero Lines Map Card Docking Accessories Upper and lower high-impact corrosion-proof

Upper and lower high-impact corrosion-proof mounting brackets with mechanical cable gland seal

Temperature-resistant up to 250 F (for up to 30 minutes)

Max Thrust: 90/115 lbs

Access navigation aids

Plush foam padding covered with heavy-duty marine-grade vinyl

Humminbird AutoChart Zero Lines Map Card Docking Accessories Upper and lower high-impact corrosion-proofAutoChart 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 doesnt exist. Anglers can purchase Zero Line Map Cards to view the AutoChart created maps on multiple Humminbird units. For those with the AutoChart PC