【Premium Quality Materials】Crafted from high-grade brass, these electrical connectors offer excellent conductivity and corrosion resistance for long-lasting, stable connections in your electrical projects 【Safety Assured】Meeting rigorous safety standards, these wire connection terminals are made with flame-retardant materials, ensuring safe use in homes, vehicles, workplaces, and various other settings 【Versatile Applications】Ideal for home, factory, automotive, and marine applications, these terminal connectors are perfect for various cable connections, fine copper wire installations, and secure electrical connections, suitable for both professionals and DIY enthusiasts 【Time and Effort Saving】No soldering required! Simply insert the wire into the fixture and use crimping tool to quickly complete any electrical repair task, saving you valuable time and effort 【Comprehensive Kit】This electrical connector kit includes 102 ring terminals in vibrant black, blue, red, and yellow colors, with 10 different sizes to meet all your daily wiring needs Specifications: Material: Insulated sleeve / Tin-plated brass Sizes: 10 different sizes