This comprehensive heat shrink solder seal wire connectors kit includes 120 pieces of waterproof butt connectors in various sizes and colors. The kit features connectors for wire gauges ranging from AWG 26-24 (white), AWG 22-16 (red), AWG 18-16 (green), AWG 16-14 (blue), to AWG 12-10 (yellow), making it perfect for different electrical applications. Each connector is designed with a built-in solder ring and heat-shrink tubing for creating reliable, waterproof connections. The clear storage case keeps everything organized and includes a helpful size chart and installation guide. These connectors are ideal for automotive, marine, and general electrical work where a secure, weather-resistant connection is crucial. Simply prepare the wires, position the connector, and apply heat until the solder flows and the tubing shrinks to create a professional-quality splice. The kit comes with 32 white, 30 red, 10 green, 30 blue, and 8 yellow connectors to handle most common wiring needs.