Features: 1. Very easy to use free-form ruler, often used in clothing modeling concepts and more complicated structural drawings in plate making 2. This ruler can be bent and set at will, which is a very practical tool in garment plate making work. 3. Double-sided ruler, can be freely placed in various arc shapes and can be fixed. 4. The curvature is quite high and is generally used to draw free curves. 5. The flexible curve ruler is marked with a scale at the edge of the curve and can also be used to measure the length of the arc. 6. It is widely used in art, engineering, design, clothing and other industries. For example, irregular curves such as buildings, roads and pools in design drawings should be drawn with curved version or snake ruler. 7. Built-in high-accuracy metal ruler, the ruler is soft and easy to bend, and the curve position is particularly good, no rebound. 8. Both sides of the ruler are designed with ink grooves for easy use. 9. Professional tailoring chalk, 10 per box, a total of 4 colors: white, yellow, blue, red. 10. Rectangular shape, easy to grip, can be accurately drawn with sharpness angles. 11. Suitable for professional tailoring and home tailoring. Specification: Condition: 100% Brand new Material: Plastic Optional Style: 30cm, 40cm, 50cm, 60cm Package List: 1 x Flexible Curve Ruler 10 x Tailoring Chalk