Features: Low leakage and forward voltage drop, low power loss, high efficiency. There are total 100 pieces of diodes in 10 values in this set which will meet you basic needs. All diodes are well packed and assorted in a transparent box for convenient storage. There is a label on box so you can easily identify which type of diodes you need. This is a great assortment of diodes for electronic professionals or enthusiasts. Specifications: Material: Germanium Type: 1N4001, 1N4002, 1N4003, 1N4004, 1N4005, 1N4006, 1N4007, 1N5817, 1N5818, 1N5819 Quantity: 10pcs each type Package Includes: 1 Box x Diodes Note: Diodes are sorted manually, so there might be small mistakes on type and quantity. Thanks for your understanding.