2-in-1 digital angle finder protractor ruler for measuring lengths and angles, both internal and external. Digital angle finder ruler tool is made with high quality stainless steel and with durable etched measurements.Continuous scale on both sides of digital display angle ruler so you can measure greater lengths in inches and mm, up to 15 16/32” and 400 mm. Folded length is: 0-200mm(7")* angles are displayed in degrees and minutes or degrees to 2 decimal places and resolution of 0.05°.Digital angle finder tool ruler with Hold function to store measured angle in memory and zeroing button to reset angle finder tool at any time, automatic power off after 5 minutes, clear operating instructions provided on the packageAngle finder ruler includes a 3v CR2032 battery and a pouch / cool protective case to store and carry your protractor angle finder securely. This digital protractor angle finder measurement tool is a great gift for dads, carpenters, anyone who works in woodworking, construction, engineering, drafting and welding.Many applications: use 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 digital protractor tool has sharp corners. Handle with necessary care.