Gardner Bender 12 AWG to 10 AWG Red Butt Splice, 25-Pack is the i solution for creating secure and waterproof electrical connections. The GB Xtreme butt splice features an adhesive lining that serves two crucial purposes: waterproofing and environmental sealing. When crimped and heated, this adhesive-lined butt splice forms a tight, protective seal around the electrical connection, effectively insulating and shielding it from various elements. This butt splice not only safeguards against moisture intrusion and abrasion but also reliable protection against environmental contaminants such as salt water, oil, gasoline, and more. This makes it a versatile choice for a wide range of applications, both indoors and outdoors. Whether you're working on automotive, marine, or general electrical projects, the Gardner Bender Red Butt Splice provides a secure, durable, and environmentally sealed connection, ensuring the integrity and longevity of your electrical systems. Model Number: AMT-127