Gardner Bender Wiregard 25-Pack Assorted Wire Connector a reliable solution for copper-to-copper wire connections with its color-coded connectors designed for quick and secure use. Featuring a tight, square-wire spring, these connectors ensure a strong hold while the tough thermoplastic shell provides protection against environmental extremes and resists chemical damage from hydrocarbons, diluted acids, and alkaline solutions. The flame-retardant properties allow the connectors to withstand heat distortion up to 105 degrees Celsius, making them safe and durable for various applications. Additionally, the high-dielectric shell includes a deep skirt design that prevents exposure of bare wire, enhancing safety. This pack contains a variety of sizes and colors: 3 gray (#22-6 AWG), 4 blue (#22-6 AWG), 6 orange (#22-4 AWG), 6 yellow (8-0 AWG), and 6 red (8-0 AWG), all conveniently packaged in a bag for easy use.