Description: Metric ruler: The pattern ruler use cm measurements (1 cm ≈ 0.39 inch). Widely used: These rulers can be used when drawing and marking. Let the clothing ruler make you design novelty and good clothing. Designers Choose: suitable for clothing design such as drawing, cutting, pattern making, etc. Perfect for designers, pattern makers, and tailors. High Quality Material: The ruler is made of acrylic material. The lines are delicate and clear, the precision is high, and the scale is not easy to wear. It is a perfect tool for manual cutting and plate making. Measure clearly according to your needs. Applicable occasions: The multifunctional sewing tailor ruler is suitable for beginners, tailors, designers, and sewing enthusiasts, providing you with convenient drawing, cutting, and shaping of various clothing patterns; you can make clothing designs by yourself. Specification: Material: Acrylic Color: Clear Size Chart: Armhole Curve: Outer curve 30cm/11.81inch, inner curve 20cm/7.87inch Trousers Curve: Outer curve 43cm/16.93inch, inner curve 35cm/13.78inch Package Includes: 2 Curve Rulers Note: 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3. Wish you a wonderful online shopping!