Ensure secure and reliable wire connections with our Heat Shrink Butt Connectors in blue. Designed for optimal insulation and protection, these connectors provide a watertight seal, preventing corrosion and enhancing durability. Ideal for automotive, marine, and electrical applications, they simplify installation while maintaining strong conductivity. Suitable for 16-14 AWG wires, these connectors are a must-have for any wiring project.