Features Designed for non-industrial applications involving the precise definition of angles, the Digital Goniometer is ideal for measuring internal, external and angular corners of objects for simple horizontal and vertical measurements. This level goniometer is made of super strong nylon fiberglass material, good hardness, wear-resistant, not easy to deform, will not scratch your hand, easy to carry. The digital goniometer comes with a professional leveling bubble, a HOLD button with clear, data retention, degree and minute unit switching, auto shut-off and lock angle function. This digital angle meter is a great helper for woodworkers. It is the perfect tool for measuring precise angles and the perfect device for measuring angles between walls, projecting windows and more. Product Information Product Name: Level Ruler Product material: ABS Product Size: 180*36mm Product color: black Packing listLevel Ruler*1 Please note: 1. Due to the long shipping time, the item may be damaged during transportation, if the item is damaged, please leave us a message through the official website immediately before posting a comment, I will solve the problem for you. 2. Due to manual measurement, the size may have 1-3cm error. 3. 3. The color displayed by different monitors may vary.