ZCtron 6 Piece Geometry School Set,Linear Ruler,Set Squares,Protractor

6 Pieces math set: 6 in 1 geometry tool contains 6 inch/ 15 cm straight ruler, a 4 inch protractor,a 6 inch protractor, 3 x triangle ruler (45 and 60 degree) Transparent plastic protractor and measurement ruler: transparent ruler and clear color

; straight and triangle rulers with inch and metric scales on them, Measure protractor with accurate number: the black numbers are clear and easy to identify, then you can read quickly with great accuracy Portable and durable: geometry tools are