Geometry Math Set Drawing Tool with Detachable Handle Set Demonstration Big Size Geometry Tool for Blackboard Classroom Engineering, Four Piece Set - Baoblaze, 79025398175118462

• 【Large Ruler】Math geometry rulers large ruler for geometry drawing and math class, suitable for home, office, classroom, teaching aids, drawing use. 【Durable】Geometry math set is made of high quality materials, smooth, strong and resistant to falling, good toughness, not easy to break and deform, durable. 【Precise】Drawing tool has precise scales and clear numbers, making it easy to read blackboards, whiteboards, erase boards, etc. 【Detachable Handle】When you need a handle when drawing on the blackboard, the handle can be detached for indoor or flat use, which is easy to use. 【Application】Teaching ruler set is a must have tool for architects, engineers, artists, designers, teachers, etc.