1、Practical: Cut 45 and 60 degree angles up to a finished height of 5 inches. This 60 degree equilateral-triangles features easy to read black and white markings. A 1/4 in dashed line is printed on each side of the center vertical line so you can cut 45/60-degree triangles that include the seam allowance. 2、High accuracy: Built-in scale design is not easy to wear, clear lines, high accuracy, ideal tool for manual cutting plate making. 3、Clear scales: Both scales have a useful metric scale design on one side, accurate scales with thin and clear lines, simple and easy to read. Rotating cutting template with clear scale and high precision. 4、Easy to use: The ruler slides easily over the fabric until pressure is applied. Then, these templates hold the fabric in place while cutting, eliminating slipping and miss-cuts! 5、Widely applicartion: Suitable for drawing, cutting, plate, and other clothing design for students, designers, pattern maker and tailor. 4 pcs/set Sewing Rulers Shape: A: Hexagon, B: 60° Triangle, C:60° Diamond, D:45°Diamond Color: Transparent Material: Plastic (Acrylic) Thickness: About 2 mm Package includes:4 *Patchwork Cutting Template