All products are tested for stability, consistency and reliability,Ensure product excellence, Save time with this handy box full of the most practical and common electronic components, Easy to store: Each different component is packaged in a plastic bag, Resistors values are stamped with the according value, Electronic components set include: diodes, resistors, transistors, LED diodes, electrolytic capacitors, ceramic capacitors, Electronics component kit: This is a great assortment of components for electronic professionals or enthusiasts, Value for money: mogaopi Electronic Components Package includes 6 different kinds components, 1390pcs in total