ITEM NAME:600pcs 30 Kinds Each Value Metal Film Resistor Pack 1/4W 1% Resistor Kit Set Lot Product Description Description: Descriptions: 600 Pcs 30 Kinds Each Value Metal Film Resistor pack 1/4W 1% resistor assorted Kit Set 1% 1/4W Metal Film Resistor Assorted Kit 30 Values Total 600pcs 20pcs Each 1% tolerance Quantity: 30 values x 20pcs=600pcs Specifications: Net weight: 72g Single chip size: approx. 100 X 65 X 10mm/3.94 X 2.6 X 0.39inch The value list: 10Ω100Ω22Ω47Ω150Ω200Ω220Ω270 470Ω510Ω680Ω1kΩ2.2kΩΩ2kΩ3.3k 5.1k 6.8kΩΩ10kΩ20kΩ47kΩ51kΩ68k 220kΩ300kΩ470kΩ680kΩ Included: 30 X Commonly Used Resistance.Quantity: 30 values x 20pcs=600pcs. Included: 30 X Commonly Used Resistance. Single chip size: approx. If item is defective after 3 months, you can still send it back to us. We will send you a new one after receiving the defective item.