100% Handmade in Turkey Solid Brass Antique-Inspired Protractor and Combined Tool This is the perfect antique-inspired accessory for your desk or to carry with your journal. Made of 100% solid brass and etched for durability with both imperial scales. The combined tool includes a protractor, french curve, triangles and circle gauge. It makes the perfect reference point for all applications. Also Available In Metric (Cm) scale: Brass Protractor Metric Scale Product Details Length: 5.5" Ruler 5.5" Black etched scale Thick brass Protractor French curve  Triangles 30, 45, 60 degrees Circle gauged 6 sizes Good for cutting  Handcrafted in Istanbul, Turkey What is a protractor? The protractor is an instrument used for measuring angles. The protractor is usually had a semi-circle size divided into one hundred and eighty parts or a full circle divided into three hundred and sixty parts.  What is the French curve? A French curve is a template composed of many different curves. It is used in manual drafting and in fashion design to draw smooth curves of varying radii.  Please note: The brass is unpolished, and will contain superficial scratches throughout. Expect this protractor to appear somewhat industrial in nature.