12 Pieces Geometry Set, Including Metal Compass Drawing Tool Scale Ruler Triangle Ruler Protractor and Eraser, Geometry Precision Tool Set Circle Drawing Tools for Architect Engineer Students Supplies
- ... with gradations for easy distinction.
- The plastic case is able to protect and store these tools in one place in a backpack, drawer, pocket or desktop, and also prevent these pointed tools to scrape the furniture and desks.
- Extension beam design: there is a movable connecting rod to the big compass for drawing large circles.
- You can draw a larger circle without lots of measuring and connective dots, which is easy for you to operate and can provide you with a quick and smooth drawing experience.
- Suitable crowd: the circle and straight line drafting set is instrumental helpers involving many measurement tools that are needed in drafting and drawing, by architects, engineers, draftsmen, builders, roofers, teachers and students who always need to draw lines and shapes.