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One of our best selling navigation instruments, the Protractor Triangle with Handle is inscribed with contrast enhancing colors making it easier to use. Utilizing two 45° triangles, the protractor triangle with handle provides a straightforward method of plotting and performing chart work. With its protractor scales, this protector triangle's handle is easily aligned in any direction with a chart meridian. Direction is maintained as one triangle is slid along the other to the desired position. The protractor triangle with handle is crafted of durable and clear vinylite.