Material - The ruler is made of durable plastic material, which is clear, durable, high accuracy, good flexibility. It's easy for us to draw pictures on paper.Measurement Unit - Metric measurements. (1 Inch = 2.54 cm) sewing template tool, 100% satisfaction.High Accuracy - Line detail and clear,perfect tool for manual cutting plate making.Application - Widely used for drawing, cutting, plate and other clothing design for students, designers, pattern maker and tailor, you can this ruler sets to DIY.Triple-cornered ruler size: 9.1 x 4.4 x 8.7inchComma ruler size: 11.8inchHalf round ruler size: 10 x 5.3inchMultifunctional ruler size: 10.2 x 4.9inchMulti-style and multifunction rulers you can to DIY.Made of durable flexible plastic.They are one of the most commonly used professional clothing feet.Built-in scale design for not easy to wear out and measure clearly according your need.colour:TransparentMaterial:plasticPackage Contents:1 * triangular rule1 * multifunction ruler1 * comma ruler1 * half round ruler