Features: Easy-to-read: The 90° patchwork ruler is equipped with easy-to-read patterns and precise scale displays. The grid lines of the pattern ruler are dark, making it easy to execute a precise design in perfection. OOTDTYought Quality: Patchwork duvet cover made of premium durable acrylic with a thickness of 3mm, strong and transparent, cut to a cleaner edge that allows for deeper and easier cutting. Uses: Ideal for all types of patchwork, quilting, sewing, patterns, quilting stencils and craft projects. The transparent material allows you to see the work you are doing through the ruler. Easily and accurately distinguish to measure and cut your work. Made of high-strength acrylic material, it can be used with cutters and various cutting tools for professional fabrics. Professional: Quilting ruler is a great tool for designers, pattern, seamstresses, and seamstresses, it is very suitable for sewing clothes pattern design, drawing, cutting fabric, and other clothing patterns, it is very distinctive and helps you save time, improve efficiency and complete a wide range of patterns. Specification: Material: Acrylic6 Inch Size: Approx. 165x104x 3mm/6.50x4.09x0.12 inch8 Inch Size: Approx. 216x116x 3mm/8.50x4.57x0.12 inch10 Inch Size: Approx. 267x129x 3mm/10.51x5.08x0.12 inch18 Inch Size: Approx. 472x178x 3mm/18.58x7.01x0.12 inchType: 6 inch, 8 inch, 10 inch, 18 inchColor: TransparentPackage Included: 1pc. Quilting RulerNote: 1. Please allow 1-2cm errors due to manual measurement, please make sure you do not mind before ordering.2. Due to the difference between different monitors, the picture may not reflect the actual color of the item.