Gardner Bender 12-10 AWG Insulated Butt Splice Connector, 3-Piece

Adhesive-lined heat shrink butt splice connectors are designed for waterproof electrical wire connections and repairs. These butt splices provide quick and reliable crimp connections while protecting against wire pullout and environmental damage. Simply insert the stripped wire ends, crimp each end securely, and apply heat to melt the internal adhesive sealant for a durable, moisture-resistant barrier.