Description: Complete: Electrical Connector Kit contains 280 cold-pressed terminal blocks in various models to meet various wiring needs. Wire gauge 10-22, termination 0.5-6, terminal/connector size 110-250Material: Insulated Wire Electrical Connector Kit is made of quality copper material, after a cold pressing process, has better contact, is strong and wear resistant, and can be used for a long time.Storage box: Crimping Terminals Set is equipped with a practical storage box for easy organization and storage. Easy to carry and can be used at any time.Easy to use: Wire Cable Crimping Terminals kit is easy to use, simple design, has no complicated steps, convenient and fast.Function: Cable Terminals kit can be used for wiring work of electrical lines such as cars, vehicles, and household appliances. Specification: Material: Brass Size Chart: Box size 17.5cmx10cmx2.2cm/6.89inchx3.94inchx0.87inch Package Includes: 1Electrical Connector Kit(280pcs)1 Storage Box Note: Please allow 1-3 cm/ 0.39-1.18 inch difference due to manual measurement and 3-5 g/ 0.007-0.01lb/ 0.11-0.18oz for the difference between different colors.Colors can appear different depending on light and how the listing is viewed.Thanks for your understanding and attention. Wish you a pleasant shopping experience!