Features • Durable Stainless Steel Construction - Crafted from high-quality stainless steel, this angle meter ensures longevity and resistance to wear for reliable woodworking projects • Precision Engraved Scale - Features a finely engraved scale that provides clear, easy-to-read measurements, enhancing accuracy in your woodworking tasks • Versatile Multi-Function Controls - Equipped with an On/Off key, clear key, data hold key, and conversion key for °/'', this tool simplifies your measuring experience • Accurate Angle Measurement - Professionally designed to measure both inner and outer angles, allowing for precise adjustments and improved project outcomes • Convenient Locking Knob - The innovative locking knob enables you to secure angles at any position, making it easier to replicate measurements consistently Features: 1、The product is made of stainless steel, which is not easy to and has a long service life. 2、The scale is engraved by a precision machine. The figures are very clear and easy to read. 3、Multi-function Key Function: On/Off key clear key, data hold key, ° / '' conversion key. 4、 Professionally measure the inner and outer angles and angles of objects. betweenbr> 5、With a locking knob to facilitate the locking angle at any position. Specification: Item Type: Digital Display Angle Ruler Material: Stainless Steel Measuring Range: 0-360° Optional Specification: 200mm; 300mm; 500mm Reading Value: 0.05° Accuracy Error: Plus or minus 0.3° Power: 3V (CR2032 × 1) (Not Included) Key Function: On/Off key clear key, data hold key, degree change key. Package List: 1 x Digital Display Angle Ruler Package List 1 x Digital Display Angle Ruler