Fangrui Product Details Features Inch And Metric Scales For Easy Measurement Conversions Can Measure Length (0-35cm/0-13.7 Inches).the Slider Has An Angle Scale On It, Which Allows You To Easily Adjust The Angle You Need For Drawing Angles And Rough Measurements By Turning The Slider. The Adjustable Woodworking Ruler Is Made Of Aluminum Alloy ,which Endows This Product With Excellent Quality.the Angle Finder Tool Is Both Lightweight And Sturdy. The Angle Protractor Is Not An Ordinary Angle Measuring Tool. It Has Multi-angle Scribing Function, By Unscrew The Nut In The Desired Position, You Can Quickly And Accurately Identify Angles And Draw Straight Lines For Setting Bevels, Drawing Radial Lines, Measuring And Marking Anglesand The T-square Is Foldable For Easy Storage. Designed With Two Hanging Holes For Easy Hanging. The Scale Line Of This Woodworking Scriber Marking Line Ruler Is Manufacture By Laser Engraving Technology, Which Makes The Scale Especially Clean, Accurate And Durable. The Numbers And Scales On The T Carpenter