CAUTIONAll Magnetic Compasses are vulnerable to magnetic interference, which will produce errors, called deviation. It is the Owner/Operator and/or Helmsman's responsibility to make sure the compass i … read more
Kit includes: Parallel RulesProtractor TriangleOne-Arm ProtractorCourse PlotterProfessional DividersPencilThese precision plotting tools are everything you need for chart work in one handy kit. A cho … read more
