• Practical set package includ 3 geometric drawings in different very convenient for daily and carry
• durable steel used for drawing and sketching irregular .The will help e pattern, both sid available.
• The very durable, and smooth, is hands, it is made of elastic stainls steel, 1mm thick but elastic.
• Wide applications - the work architecture, mathematics, network technique, fractional measurement, art school learning
• Geometric rulers , fractional measurement, building formwork, architecture, network technique and drawing in shool, office, home. Great help for students and children.

3 Pieces French Curves Ruler