Features: Readable: The 90 ° patchwork ruler is provided with legible patterns and precise scale displays. The grid lines of the pattern ruler are dark color, this makes it easy to complete a precise project in perfection. High quality: Patchwork quilt ruler made of premium sturdy 3mm-thick acrylic, strong and transparent, cut for a cleaner edge that allows deeper, easier cutting. Applications: for Ideal for all types of patchwork, quilting, sewing, pattern, quilters templates and crafts 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 makers, seamstresses, and seamstresses, it is very suitable for garment sewing pattern design, drawing, cloth cutting, and other garment designs, it is very characteristic and helps you save for time, improve efficiency, and complete a wide variety of designs. Specifications: Material: Acrylic 6 inch Size: Approx. 165x104x3mm/6.50x4.09x0.12 inches 8 inch Size: Approx. 216x116x3mm/8.50x4.57x0.12 inches 10 inch Size: Approx. 267x129x3mm/10.51x5.08x0.12 inches 18 inch Size: Approx. 472x178x3mm/18.58x7.01x0.12 inches Type: 6 inch, 8 inch, 10 inch, 18 inch Color: Transparent Package Includes: 1 Piece Quilting Ruler note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.