Capt Fields Pattern Parallel Rule & Brass Dividers Set Gold Good Nautical Tools Capt. Fields Pattern Parallel Rule and brass nautical dividers are essential tools for traditional marine navigation and chart work. This set includes a clear acrylic parallel ruler with silver-tone metal hinges and brass hardware, alongside two solid brass dividers for measuring distances on charts. The parallel rule is marked with precise degree increments for plotting courses and bearings. The set comes with a protective blue sleeve and a vintage-style wooden storage box with metal latches. Material: Acrylic, Brass, Metal Tool Type: Parallel Rule, Dividers Application: Marine Navigation, Chart Plotting Pattern: Capt. Fields Pattern Storage: Wooden Case Included Nautical, Maritime, Cartography, Sailing, Vintage Instrument Please see all photos for more on the description