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 bend, and can be measured clearly according to needs. 3? [Metric System] The sewing machine ruler is designed in cm/inch and is measured in the metric system. 4, The [Durable] Custom Rule Set is made of plastic, which is durable and sturdy, portable and environmentally friendly. 5? [Application] It is suitable for clothing design, 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: 13pcs Material: Plastic Color: As Shown Package Size: 50*10*5cm/19, 7 * 3.9 * 2.0 inches Net Weight: 580.0g / 20.46oz Package: 1 * Sewing Rules