1, [Built-in scale] The lines are delicate, clear, high precision, not easy to wear. It is an ideal tool for manual cutting and plate making, and an indispensable tool for learning to measure things. 2, [Good hardness] The sewing ruler has good toughness, supports 90 degree bending, and can be clearly measured according to your needs. 3? [Metric system] The sewing machine ruler is designed in cm / inch measurement unit, and it is measured in metric system. 4, [Durable] Custom Rule Set is made of high quality plastic, durable and tough, portable and environmentally friendly. 5? [Application] It is suitable for the design of clothing such as drawing, cutting, laying, learning, etc. It is an ideal choice for designers, model makers and tailors. Product description Color: As Shown | Size: Curve ruler marking wheel cutting ruler Specification: Type: Sewing rule set Quantity: 13 pieces Material: plastic Color: as shown Package size: 50 * 10 * 5cm / 19.7 * 3.9 * 2.0in Net weight: 580.0 g / 20.46 oz Package: 1 * set of sewing rules