Humminbird AutoChart PRO DVD PC Mapping Software w/Zero Lines Map Card [600032-1] Trailering | Tie-Downs Base: 3-3/4"

Base: 3-3/4"

Long-lasting protection

Mounting Hole Diameter Inches: 13/16

Compatible with TACO Metals 1-1/2" heavy-duty Telescoping TeleOutriggers

Humminbird AutoChart PRO DVD PC Mapping Software w/Zero Lines Map Card [600032-1] Trailering | Tie-Downs Base: 3-3/4"AutoChart PRO DVD PC Mapping Software with Zero Lines Map Card AutoChart PRO: Add another layer of detail to your cartography. Humminbird AutoChart PRO for North America offers all the leading features of AutoChart but with two key enhancements designed to give tournament anglers a competitive edge. Bottom Hardness Indication delivers a crucial tip off to where fish are hiding by identifying areas likely to hold fish based on the hardness of the