Item Type: Curve Ruler Material: Plastic Product Specification: 5pcs Product Use: Household Scope of Application: Most of Scenes Package List 5 x Curve Ruler Manual measurement, please allow some errors. 1MULTIFUNCTIONAL: Curve ruler is made of transparent material and multifunctional, combining the functions of grading ruler and curve ruler in one. 2PRACTICAL TOOL: The curve ruler for sewing is an ideal tool for designers, tailors, students, beginners, seamstresses, pattern makers. 3MULTI APPLICATION: Curve shaped ruler is an necessary measuring tool for pattern making, dressmaking, sewing and embroidery. 4WIDELY APPLICABLE: Sewing curve ruler is suitable for multi specification curve push blocking, all kinds of button molds, neckline arcs and more. 5HIGH ACCURACY: These pattern rulers are designed with clear scales and high accuracy, ideal for hand cutting, better meet your needs.