Feature: 1. Premium Material: The solder seal wire connectors are made of high grade nylon materials, enduring and dependable, providing excellent performance in harsh conditions. 2. Superior Waterproofing and Sealing Performance: Unique waterproofing design ensures outstanding performance in humid or underwater environments. The connectors seals the joint completely, preventing water and dust from entering, improving electrical connection safety and stability. 3. Flexible Applications: Flexible design to meet different project needs. Whether for small repairs or large installations, you can find the find the right product combination for efficient completion of various electrical connection tasks. 4. Wide Compatibility: Ideal for marine, automotive, boat, and truck applications, these wire connectors are practical tools for any electrical engineer and enthusiast. Enhance reliability of electrical connections and improve overall device performance and safety. 5. Convenient Storage: The kit comes in a compact case, making it easy to transport and organize your connectors for quick access during projects, giving you more convenience. Specification: Item Type: Heat Shrink Wire Connectors Material: NylonTerminal Type: Yellow: 12-10 AWG, Blue: 16-14 AWG, Red: 22-18 AWG, White: 26-24 AWG Protective Rating: IP67 Usage: Suitable for Marine Automotive Boat Truck, household appliances, industrial wiring applications . Package List: 200 x Heat Shrink Wire Connectors 1 x Storage Box