Based on this product's specifications, here are some alternatives and similar models
Parallel ruler Linex A1615M 38 cm transparent
Summary description:
Parallel ruler Linex A1615M is a 38 cm transparent drawing tool for accurate parallel line drawing and transferring measurements. Made for technical drawing, drafting and map work, it ensures stable guidance and clear visibility of the drawing surface. Suitable for architects, engineers, students and hobbyists requiring precise straight lines.