Buscador de ángulo digital 0-90 ° Rango Ángulo de nivel de espíritu Ángulo Inclinómetro vertical con imanes Regla de transportador con escala imperial y métrica
2 in 1 Multifunction deign: Ballpoint Pen +Teacher's PointerThe teaching pen is scalable, suitable for close teaching.Take off the pen cap, it can be used as a ballpoint pen, writing fluency.Pen-sized and lightweight that you can put it your pockets or handbag.Ideal presentation tool, widely used in the teacher teaching, and academic meetings occasions.
