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.
ammoon - Paquete de pedal de 6 instrumentos, cuerda de instrumento, parche, cable, 15 cm / 0,5 pies de largo, con 1/4 pulgada, 6,35 mm, enchufe de ángulo recto, plateado, negro + blanco, chaqueta tejida
Lápiz medidor ORP con Display retroiluminado portátil oxidación reducción potencial industria y analizador de experimento Redox medidor medida dispositivo agua potable calidad análisis