Such square ruler is made of thickened material, which is wear-resistant, not easy to bend or deform, and has a long service life. It is lightweight and convenient to carry and store. The square ruler adopts etching technology, with scales on both sides, accurate scale markings, and easy readability. It is suitable for measuring, marking, carpentry, layout, and other applications. It is constructed of stainless steel material. This product is available in sizes S and M. It is suitable for home use, carpentry, school, engineering, and more. Item Name: Measuring Ruler Material: Stainless Steel Features: Etching Process, Double-sided Scale, Wear-Resistant Size Details: S, L: 10.2cm/4.02", W: 5.2cm/2.05", Thickness: 1.2cm/0.47" (Approx.) M, L: 15.7cm/6.18", W: 10.2cm/4.02", Thickness: 1.2cm/0.47" (Approx.) Notes: Due to differences in lighting and screen settings, the item's color may be slightly different from the pictures. Please allow slight dimension differences due to manual measurement. Package Includes: 1 x Measuring Ruler