#116 3-Arm Protractor map tech Chart Image Size: 40⅛" x

Chart Image Size: 40⅛" x 31⅝"

Larger and improved version of our popular 101 protractor triangle with handle

Includes pencil

Last Correction: 14-Dec-2017

This mix of tools for navigation is a tremendous value

#116 3-Arm Protractor map tech Chart Image Size: 40⅛" xThe 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. Overview 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