3 Pcs Stainless Steel Angle Finder with 10cm Ruler for Woodworking

180 Degree Stainless Steel Protractor with 100mm RulerMeasure the angle between two surfaces. Perfect for engineers, technology students, graphic design students, and carpenters.Great tool for home, school and work.Measure an angle with the small stainless steel arm that slides smoothly for precise alignment, use the knurled nut to lock the arm in place as you take measurements, adjust by loosening the screwcolour: silverMaterial: stainless steelPackage Contents:3 x protractor measuresOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.