Durable, clear vinylite. Sides that are 9-1/4 inches (23.50cm) long and a hypotenuse (long side) 13-inches (33.02cm) long.
Effective 2/15/2022: Plotting tools for the Captain Course (OUPV/Master up to 100 Tons) are loaned to all students in our classroom course, and therefore not required to purchase IF you are attending the classroom session.
The Professional Protractor Triangle with handle is larger than other navigation triangles on the market, with sides that are 9-1/4 inches (23.50cm) long and a hypotenuse (long side) 13-inches (33.02cm) long. Its clean, uncluttered design is inscribed with contrast enhancing colors (red & black) that display both 320mm & 1-80,000 scales. A hole located at the vertex allows the user to convert the protractor into a quadrant to measure alttitude or angle.The triangle is constructed of heavy duty clear 5 mm thick acrylic for durability, with a handle for ease of use. The handle also holds a pencil, and both pencil and pencil sharpener are included.