Strong & SturdyOur combination angle ruler made of stainless steel and zinc alloy, wear-resistant, corrosion-resistant, safe and non-toxic, won't break easily, strong and durable. Precise measurementMeasurement range is 0~300mm, level gauge equipment makes measurement accuracy higher, clear and accurate calibration will not fade easily.< /li> Multifunctional measuring toolThis square ruler can measure a variety of data, and can measure right angles, 45 angles, 45 inclinations, lengths, depths and widths. professional engineer measurement. Easy to useThis multifunctional square ruler is simple and convenient to use.It only needs to be calibrated.It can be used directly where you need to measure, and it is convenient for your operation. Scope of applicationThis angle ruler combines one is suitable for measuring, marking, laying, etc., to help you measure accurately, widely used in home, engineering measurement, housing construction and other places. Features: Condition: 100% Brand New Material: Stainless Steel + Zinc Alloy Color: as shown in the picture Size (L x W): approx. 30.5 x 11.2cm / 12.01 x 4.41inch Weight: approx. 138g Package included: 1 x combination angle ruler