Features: These Uninsulated Butt Connector Kit offers a comprehensive solution for efficient and reliable wire connection, with 380 not insulated connectors, 400 heat shrink tubes, and a professional crimping tool. Crafted from high quality plastic and metal , this kit ensures excellent conductivity and corrosion resistance, while the ergonomic ratchets crimping tool simplifies installation for users. Ideal for electricians, DIY enthusiasts, automotive technicians, and engineers who require and effective connection tool for various electrical projects. Perfect for home electrical repairs, automotive circuit maintenance, electronic device assembly, and industrial equipment installations, providing secure and stable connection in diverse setting . With its Small packaging, this versatile kit is easy to carry and use anywhere, making it essential addition to any tool Boxes for quick and safe wire repairs and connection. Specifications: Component : plastic+metal Package Includes: 780pcs Wire Crimping Tool note: Please allow 1 to 3cm error due to manual measurement, please make sure you do not mind before you bid, Due to the differences between different monitors, the picture may not reflect the actual colorful of the item.