[NICE CRAFTSMANSHIP]: Bright surface color and smooth base surface, as well as quality material; Without trace, it will let you have a nice and comfortable use experience. [PROPER SIZE]: The proper size will ensure the accuracy of the measurement data, also allow you to hold the rule easily and firmly. [EASY TO IDENTIFY]: Engraved with dimensions and clear numbers, so you can quickly identify the data, which ensures that you can easily measure each right angle. [NICE WORK PERFORMANCE]: Can be applied to various engineering measurements, it can accurately measure the vertical deviation of internal and external angles; The accurate 90 degree angle has no difference, assuring the measurement data correct without error. [SAFE AND RELIABLE]: Use rivet links design, so it will not endanger your safety; Besides, its chassis is heavy,upright and stable, as well as not inclined, so the measurement data is more accurate and easy to read., Weight: 0.3527396192 pounds, Manufacturer: Dapetz