Digital Angle Ruler: Combines a stainless steel ruler and a protractor to measure angles and lengths. Allows 360° measurements from inside to outside. Digital Depth Gauge: 80mm digital height gauge for horizontal and vertical measurements. The magnetic stand can be used alone, very convenient. Easy mm/inch switching. Data Hold Function: Press the "Hold" button to lock the measurements at any time without worrying about any deviations. Large LCD Display: The clear digital display makes measuring work easy and fast. Wide Application: This tool is often used in carpentry, construction, repair, mechanical processing, interior decoration, etc.