Durable Protractor The digital protractor is made of stainless steel. Laser-etched measurements provide clear readings. The digital LCD display is easy to read and eliminates guesswork. High Accuracy This angle finder has an accuracy of 0.3 degrees. Measuring range: 0–360 degrees. Folded length: 8 inches (200 mm). Total length: 15 inches (400 mm). Hold Data & Inverted Reading Press "HOLD/Rev" to save data during measurement. Long press "HOLD/Rev" to invert the display for easier reading. Combination of 2 Functions Combines a ruler and protractor for convenient measuring. Measure both lengths and angles with one tool. Note - The stainless steel edge is sharp. Handle with care and keep away from children. - Product dimensions are manually measured. A variation of 2–3 mm may occur due to different measurement methods and tools. - Images are taken from actual products. However, differences in lighting, photography, and screen settings may cause slight color variations between the product and the photo. Color is subject to the actual item. - Please handle the product with care to ensure long-term use.