Isomars marine parallel bar 21 is a precision drafting tool designed for architects, engineers, and technical illustrators. This 21-inch parallel bar features smooth, accurate movement along parallel tracks, making it ideal for drawing straight lines, angles, and geometric shapes with consistent precision. The marine-grade construction ensures durability and reliability for both professional studios and educational settings. Perfect for technical drawings, blueprints, architectural plans, and detailed artwork. An essential instrument for anyone requiring accurate parallel lines in their design work.

