Fangrui Product Details [universal Combination Angle] Precision Redefined! Elevate Your Measuring And Drawing Game With This Multi-angle Measuring Ruler-high Quality Professional Measuring Tool. Compared To Other Rulers, This Hole Ruler Has Added A Hidden Anti-drop Device! So You Dont Have To Worry About Rulers Falling Off When Working. [multi-angle Measuring Ruler] 90-degree And 45-degree Stops For Versatile Angles, More Angles Available, Help You To Measure Things Accurately. Upgrade Your Tools For Precision! [strong ] Angle Measurement Tool Is Made Of Aluminum Alloy And Steel Material, Which Is And Not Easy To Bend, And Can Be Applied For A Long Time. , Compact Straight Ruler Is Portable And Easy To Carry. [professional Design] Scale On Both Sides Is Carved On The Ruler, Which Makes It Clear To Read. 1 Stainless Steel Drawing Needle, Which Acts As Another Pen . With Additional Features Such As A Scriber And Ejection Stop. [widely Uses] Precise Universal Combination Angle With Ruler Stop For Precise Marking, Measuring, Scrib