and reliable: this precision square tool use Rive links design, so it will not endanger your ; Besides, its chassis is heavy, and stable, as well as not inclined, so the measurement data is more accurate and easy to readColor: as shown in the picturePlease allow slight color difference due to different monitor.Nice work performance: the testing square can be applied to various engineering measurements, it can accurately measure the vertical deviation of internal and external angles; The accurate 90 angle has no difference, assuring the measurement data correct without error1 x squareLong side thickness: 0.12 inchProper size: this square is 4 inches in whole length, bottom length is 2.5 inches and the long side thickness is 0.12 inch, and the base thickness is 0.5 inches; The proper size will ensure the accuracy of the measurement data, also allow you to hold the easily and firmlyBottom length: 2.5 inchesPlease allow slight dimension error due to manual measurement.Nice craftsmanship: our square has bright surface color and smooth base surface, as well as quality material; Without , it will let you have a nice and comfortable use experienceEasy to identify: steel square is engraved with dimensions and clear numbers, so you can quickly identify the data, which ensures that you can easily measure each right angleBase thickness: 0.5 inchesMaterial: carbon steelWhole length: 4 inches