Often used in a combination of two, our Protractor Triangle with Handle provides a straightforward method of plotting and performing chart work. Each triangle is inscribed with contrast enhancing colors (red & black), plus a handle that holds a pencil, making it convenient and easy to use. The protractor scale on the triangle can aid in drawing a bearing line on a chart, and the 90° angle is helpful when determining lines of position. When used in pairs, the second triangle acts as an extension, and the pair together are a reliable means to transfer a directional line on a chart with no slippage. 7-3/4" sides x 11" (19.69 cm x 27.94 cm) hypotenuse Inscribed with contrast-enhancing colors (black & red) Black handle with pencil holder for easy maneuverability Used as a pair to transfer a directional line on a chart Protractor scale allows easy alignment with chart meridian in any direction Direction is maintained as one triangle is slid along the other to desired position 90 degree angle helps determine lines of position Made from clear durable vinylite Lifetime warranty
