o MATH GEOMETRY KIT 11 PIECES. 180 degree semicircular protractor + Compass with 0.7 mm mechanical pencil + 30/60/90 Degree Triangle Ruler+ 45/90 Degree Triangle Rulers + Ruler 6" (15 cm) + Lead Fill + Eraser + Sharpener + Wood Pencil + Portable Transparent Case o STURDY & ACCURACY. Easy draw & adjust legs. Metal point & easy grip top control draw circles up to 6" in radius. Packaged in clear box to protect and keep tools in one place for carry in backpack o PERFECT ANGLES. Inch and centimeter. Perfect for precise drawings. Trace and draw the perfect angle, circumferences, graphing, and design with our easy-to-use compasses. o IDEAL DRAFTING. Includes mechanical pencil with secure lock allows quick adjustment as needed. Great for drawing arcs, circles, divide gauges, dividing line, line segments,Size measurement. o ALL LEVELS DESIGNED. Excellent for use in school, office, studio, or at home. The best drawing tool for teacher, students, artist, mathematician, carpenter, engineers, architecture, and designer