Features ?2 in 1 Digital Angle Finder?2-in-1 electronic digital protractor ruler 5424Z for measuring lengths and angles, both internal and external. ?Stainless Steel Digital Angle Ruler?Made with high quality stainless steel , which can offer clear reading and years' usage. ?Angle Gauge with LCD Display Locking Function? Angle Finder Protractor comes with a large easy-to-read LCD display. For read it easily, this woodworking tool could be locked at any angle,and has zeroing button to reset angle finder tool at any time. ?High Accuracy Electronic Protractor? Accuracy of this protractor is 0.3 degree. Measuring range: 0-360 degree , Length: 7 inches / 200 mm, It is a good choice for most projects like woodworking, crown molding and daily use. ?Wide Application Digital protractor ?Many uses, for example as miter saw protractor or for checking angle of blade on table saw or accuracy of miter saw, making angle cuts or measurements, trim / wall / corner angle measuring, bending tubing and metal sheets. Caution: This protractor for woodworking has sharp corners. Handle with necessary care.