Each resistor kit contains 400 total resistors. 25 each of the following 16 standard values: 10, 22, 47, 100, 220, 470, 1k, 2.2k, 4.7k, 10k, 22k, 47k, 100k, 220k, 470k, and 1M ohm. Resistors are 1/4 watt, 5% tolerance, carbon film resistors. Each value is individually bagged, labeled, and packaged in a reusable box. A color code chart is included in the lid as well as a quick reference for finding the correct resistor to use with various LEDs.