Features:Low leakage and voltage drop, low power loss, high efficiency.There are total 200 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:Type(Breakdown Voltage):1N4728(3.3V) 1N4729(3.6V) 1N4730(3.9V) 1N4731(4.3V) 1N4732(4.7V)1N4733(5.1V) 1N4734(5.6V) 1N4735(6.2V) 1N4736(6.8V) 1N4737(7.5V)Quantity: 20pcs each typeBox Size: 13.2 x 6.8 x 2.3cm / 5.19 x 2.67 x 0.9"Package Includes:1 Box x DiodesNote: Diodes are sorted manually, so there might be small mistakes on type and quantity. Thanks for your understanding.