Feature: 1. Copper Material: Made of copper material, these terminals can be crimped well for better wiring effects. 2. Reliable Work: The non insulated terminal provides excellent wiring solutions for limited space areas, and can meet your needs, providing you with safe and reliable electrical connections. 3. 220Pcs: There are 220 pieces terminals of 4 common sizes in the package that suitable for long term use and make replacements. 4. Portable: Comes with a storage box that you can easily take these terminals with you to help with your wiring work. 5. Wide Application: These tubular terminals can be widely used for quick connection, disconnection of batteries or rocker switches in household appliances, automobiles. Specification: Item Type: Non Insulated Butt Connector Material: Copper Applications: Widely used in solar energy systems, household appliances, automobiles, electrical industry, mechanical equipment, distribution boxes, batteries, inverters, etc.. Package List: 80 x 22 16AWG80 x 16 14AWG30 x 14 12AWG30 x 12 10AWG1 x Storage Box Note: Connect after confirming the specifications.