Durable acrylic quilt rulers for reliable, long lasting use - 3 mm thick high quality acrylic provides sturdy construction and long life; features a hole for easy hanging to keep your workbench tidy. - Precise cutting with clear markings: bright grid lines and dual color numbers for quick, accurate alignment. Includes a 30°-45°-60° angle system to create square, triangle, parallelogram, and trapezoid shapes. Please remove the protective film from the ruler before use. - Easy to read and use: high clarity acrylic lets you see the fabric underneath while you measure. Dual color numbers and markings are easy to read and line up, suitable for both left and right handed users. - Comprehensive sewing and quilting accessory set: includes square rulers in sizes 31.8 x 31.8 cm, 24.1 x 24.1 cm, 15.2 x 15.2 cm, 11.4 x 11.4 cm, and a 30 x 5 cm rectangular ruler. Non slip rings secure the rulers and templates in place for precise cutting and quick repositioning. - Practical applications: ideal for patchwork blocks, border and sash trim, and designing multiple shapes and grids for quilts. The set helps you move and hold rulers consistently for accurate results.