Looking for a reliable solution to secure your electrical connections, Our 132 PCS Non-Insulated Butt Splice Connectors Kit is designed for durability and strong conductivity. Made from premium tinned copper, these crimp wire connectors ensure low resistance and maximum current flow. The kit includes 66 PCS heat shrink tubes, providing extra insulation and protection against moisture and corrosion. Compatible with 12-4 AWG wires, it's perfect for automotive, marine, and home electrical projects. Easy to use with a standard crimping tool, these connectors guarantee a secure, long-lasting connection. Upgrade your wiring game with this professional-grade connector kit today.