Please note there is a 1-2 week turnaround time for all CHS Charts as they are ordered through the CHS Gov. We appreciate your patience!


3-Arm Protractor

Weems & Plath


The Three Arm Protractor's heavy-duty, flexible crystal clear acrylic construction is the foundation for this easy-to-use. The arms of the Three Arm Protractor are rigid enough to trace a bearing line.


Arms are rigid enough to trace bearing line. Can be used to chart position from three identifiable shore, landmark or buoy locations. Measure angles on the protractor and locate your position on chart. Moveable arms with vernier scale for even more precise measurements. Flexible, clear construction. Lifetime warranty.


  • Movable arms with vernier scale
  • Adjustable arms
  • Clear construction

Category: Weems & Plath

Type: Plotting Tool

Vendor: Weems & Plath