[Corner Angle Finder]Easily measure external and internal angles with our cutting guide tool. It splits top angles in half without resetting, making it ideal for cutting large boards, fillets, and architraves. [Angle Measuring Tool]A must-have for any toolbox, this tool simplifies tricky custom angle cuts. Save time and materials while achieving precise measurements for wood, porcelain, and ceramic tile projects. [Secure Angle Locking Mechanism]Featuring metal knobs for easy adjustments, this ruler locks firmly into any angle. Simply tighten or loosen the screw for accurate measurements without the hassle of paper templates. [Versatile Applications]This Protractor handy for tile, brick, stone, wood, laminate to cuts and any projects you can think of. perfectly for any DIY lover, woodworker. [High Accuracy & Wide Range]Measure angles from 10 to 170 with precision. This protractor provides both full and half-angle measurements, easy to get the angles right for the supports. Specification:2Pcs Color: blue Material: plastic Package Contents: 2Pcs x Corner Angle Finder Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.