600 Piece Resistor Kit Kit contains 20 each of 30 most use standard values from 10 omega to 10 omega, 1/4W Selected to be the most useful values for any electronics project Insure that you will have the resistor value you need for that project Resistors are all machine tape and mark with value, 20pcs per tape, 600 total resistors Metal firm resistor, 1% precision