Features 1、Excellent Aluminum Alloy Material: This measuring gauging tool is made of excellent aluminum alloy material, which is sturdy and wear resistant, not easy to be damaged, and has a long service life. 2、Anodized Treatment: This 45° angle measurement tool features an anodized treatment which makes it high hardness, rust proof and erosion resistant. 3、Accurate 45° Bevel: This 45° machinist engineer square angle ruler has an accurate 45° bevel, which reduces errors and ensures high accuracy measurements. 4、Sturdy Wide Base: This 45 degree aluminum alloy angle ruler has a sturdy wide base which makes it easier to maneuver and improves the overall aesthetics. 5、Wide Application: This 45° angle measuring ruler has a wide range of uses, it can be used for writing work pieces, equipment inspection and structural measurements. Specification Item Type: 45 Degree Angle Ruler with Base Material: Aluminum Alloy Slant Length: Approx. 150mm / 5.91in Base Length: Approx. 100mm / 3.94in Base Thickness: Approx. 6mm / 0.24in Base Width: Approx. 20mm / 0.79in Package List 1 x 45 Degree Angle Ruler