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Achieve fast, accurate speed–time–distance calculations directly on your chart with this 8 inch Proportional Divider. Ideal for professional navigators and serious cruising sailors who demand precision in coastal or offshore plotting.
8" proportional divider: instantly converts chart distance to unknown speed or time
High-precision German construction for reliable, repeatable results
Silver/nickel alloy body with stainless steel points for durability and corrosion resistance
Compact size fits standard chart tables and navigation kits
Backed by a lifetime warranty for long-term confidence at sea
Add this professional navigation tool to your chart table for efficient passage planning and verification.
