High-Quality Materials: The Bevel Is Made Of High-Quality Stainless Steel And Equipped With A Hardwood Handle, Which Is Strong And Durable, Resistant To Falling And Not Easy To Rust.Detachable Handle: Wooden Handle, More Convenient To Hold And More Beautiful At The Same Time. The Handle Has An Adjustable Nut So You Can Easily Tighten And Loosen The Ruler.2 Units Of Measurement: The Brand Has Two Units Of Measurement: Metric And Imperial (0-20, 0-7 Inches). Double-Sided Scale, Clear And Easy To Read, Not Easy To Fade, More Convenient To Use.Easy To Use: Adjustable Protractor, 360 Rotatable. You Can Adjust The Ruler To Your Desired Angle, Tighten The Nut To Hold It In Place, Then You Can Measure Or Draw A Picture.Wide Range Of Uses: Double-Sided Scale, Adjustable Design, More Convenient To Use, Very Suitable For Engineers, Designers, Carpenters, Etc. To Achieve Perfect Lines, Precise Angles And Precision.