1、Super electronic component kit is durable and easy to install, very convenient and practical 2、The assorted kit come with high accuracy and stability, you can use with confidence 3、The set contain many type of metal film resistors assorted, which can meet your different demand 4、Can be used in various radio electronic equipment, most home appliances, communication equipment, instruments and meters 5、Made of excellent silver alloy material, possess high hardness, good heat resistance and corrosion resistance 600 x Metal Film Resistors (30 types, 20pcs each)100 x 8 Types of Diodes (25x1N4148, 25x1N4007, 10x1N5819, 10x1N5399, 5x1N5408, 5x1N5822, 10xFR107, 10xFR207)120 x Electrolytic Capacitor (12 types, 10pcs each) 300 x 30 Types of Ceramic Capacitors (30 types, 10pcs each)100 x 5 Colors 5mm LED (5 colors, 20pcs each) 100 x 5 Colors 3mm LED (5 colors, 20pcs each) 180 x 18 Types of Commonly Used Triode (18 types, 10pcs each) Item Type: Super Electronic Component KitMaterial: Silver alloyModel: 7 Kinds of Component Kit: 30 kinds of 1/4W metal film resistor kit8 kinds of diode kit12 kinds of electrolytic capacitor kit30 kinds of ceramic capacitor kit5 colors 5mm LED kit5 colors 3mm LED kit18 kinds of commonly used audion kitScope of Application: Used in various radio electronic equipment, most household appliances, communication equipment, instruments and meters