[Product Content] You Will Receive 3 Steel Rulers With Dimensions Of 150*19*0.M, 150*19*0.M, And 150*19*0.M.200*19*0.3 Mm, 300*19*0.3 Mm, The Color Is Stainless Steel, Suitable For Measurement And Drawing. [Product Material] This Product Is Made Of Stainless Steel, Which Is Durable, Anti-Rust And Anti-Corrosion, Not Easy To Bend Or Damage, And Ensures The Stability And Accuracy Of Long-Term Use. [Multifunctional Design] The Design Of This Product Is Simple And Practical. The Ruler Is Engraved With A Clear Scale, Which Is Convenient For Accurate Measurement. It Is Suitable For Various Drawing And Measurement Needs, Whether It Is In Schools, Offices Or Engineering Projects. It Can Be Easily Hand. [Portable And Easy To Use] The Ruler Is Lightweight And Portable, Easy To Carry And Store, Can Be Easily Placed In A Stationery Box Or Folder, And Can Be Accessed Anytime, Anywhere To Help You Improve The Efficiency Of Work And Study. [Widely Used] This Product Is Not Only Suitable For Students' Learning And Drawing, But Also For Engineers, Architects And Office Staff. It Is An Ideal Tool For Various Measurement And Drawing Tasks.