Multiple uses：Can draw straight lines, horizontal parallel lines, vertical parallel lines, circular linesWhite color rulers: White color allows for a clear view of numbers and letters on the page; With the clear mathematics ruler, you can measure the object easily1 x Multifunction Straight RulerWide application: a useful measuring tool for artists, designers, architects, engineers, students and so on; Suitable for classroom, school, office, home, etc.2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. We guarantee the style is the same as shown in the picture.Material: ABS1. Manual measuring, please allow 1 ~ 3mm error,thank you.Features: Multi-function plastic ruler: made of good quality plastic, durable and sturdy; Multi-function ruler can replace ruler and angle ruler. Compasses