Description: Package Includes 7 Piece: Compasses , Refill for Compass,Eraser,2 Triangles, Ruler,Protractor, 7 Piece Geometry Set, Compass Set in a Reusable Case, Easy to Carry and Store Inch and Centimeter Measurements Rulers, Triangles & Protractor feature a name for easy identification along with IMetric graduations The Math Set/Geometry Set Designed by Experienced Math Experts with All Essential Items for Teachers and Students at Any Level Comes packed in a reusable shatter-proof carrying case Specification: Material:Plastic Color Random Size Chart: Right Triangle Size: Approx. 9.2 x 5.4 cm /3.62 x 2.13 inch 45 Degree Triangle Size: Approx. 9.2 x 6.5 cm /3.62 x 2.56inch Ruler:Size: Approx. 12.5 x 2.2 cm /4.92 x 0.87 inch Semicircle:Size: Approx. 7.8 x 4.2 cm /3.07 x 1.65 inch Eraser: Size: Approx. 3.2 x 1.3 cm /1.26 x 0.51 inch Compasses: Size(L): Approx. 11.2 cm /4.41 inch Refill Size: Approx. 3.6 x 0.5 cm /1.42 x 0.20 inch Package Includes: 1 Set Geometry Kit Math Set(7 Pcs)(4 Pack) Note: Due to the difference between different monitors, the picture may not reflect the actual color of the item. Due to manual measurement, there may be 1-2mm error in size.