2-in-1 Digital Angle Finder - Measure lengths and 360° angles (inside and out) with ease. Locking Function: Secure both legs in your desired position or angle using the locking screws. Large 1-inch LCD Display - Features an electronic digital display; switch between degrees and minutes with the "°/\" button. Use the "HOLD" button to store data during measurement, and the "ON/OFF/Zero" button for quick resets. Each button resets the data angle to zero; includes an angle lock button for precision. Length, Width, and Precision - Length Measurement: 400mm; Angle Measurement: 000.0°~999.9°; Accuracy: ±0.3°; Resolution: 0.1°; Measuring Range: 0-360°. Crafted from high-quality stainless steel for superior quality, corrosion resistance, and durability. EXCELLENT QUALITY - Premium stainless steel rulers are laser-engraved (mm and inch rulers), ensuring durability and resistance to wear. Note: The ruler may be slightly sharp; please wear gloves when using.