Various hollow out shapes: using these rulers, you can paint geometric patterns like different sizes of circle, ellipse, square, which are handy drawing helpers. Made from safe and ABS material for long term use. Work architecture, network technique, fractional measurement, art design, etc. Features - Color: Light green. - Material: ABS. - Size: About 25 x14.5 x0.2cm/9.9x5.7x0.08 inch. - 3 pieces of drawing templates in different designs, meet your different needs for daily usages. - Transparent and with clear scale pattern, fine rulers and templates to use at school or office. - Various shapes: using these rulers, you can paint geometric patterns like different sizes of circle, ellipse, square, which are handy drawing helpers. - Professional Rulers measurement: use metric system and take centimeter as scale unit; - Main applications: they work architecture, network technique, fractional measurement, art design or as drawing templates for school project. Package list: 3 drawing template rulers