6 Piece Geometry School Set with Quality Compass Linear Ruler Set Squares Protractor … 6 pcs-Blue

compass 1. Ergonomic and easy to use 2. lightweight, Sturdy and easy to carry 3. Center wheel for easy adjustment 4.Maximum Circle Diameter: 10 Inches 5.Materials: All Metal, Nickel Plating 6.Stability: The compass with spring bow head and thumbwheel could prevent from unintended slide. 7. Geometry tools,a convenient choice for teachers and students Specifications: 1. Color: Blue 2. Material: Iron 3. Weight: 49 g / 1.73 oz 4. Overall Length: 5.9 "/ 15 cm Protractor , triangle ruler and straight ruler Transparent Plastic protractor is a practical learning tool as well as measuring tool.through it you can see the page, clear color makes you measure easier. Measure protractor with accurate number: the black numbers are clear and easy to identify, then you can read quickly with great accuracy. 4 Inches protractor size: 10 * 5.5 * 0.13 cm 6 Inches protractor size: 15 * 8.5 * 0.11 cm straight ruler size: 6 inch /15 cm triangle ruler :45 and 60 degree Package Included: Blue metal compass stand tall+Refill+2 Pieces Protractors , 6 inch and 4 inch,2 pcs triangle ruler,6 inch/ 15 cm straight ruler.