Features: Made of stainless steel material, with the characteristics of not easy to rust and damage and has a long service time. The portable design and small size allow you to easily carry it to anywhere you want to use it. It has a wide ranges of applications, suitable for carpentry work, industrial design drawing and so on. With metric and imperial two scales, you can use the suitable type according to your needs. It is simple and convenient to use, you can draw the line you want without too much steps, and greatly improve your work efficiency.