Southwire 4 STR /0 STR Splicer (2-Pack) is a versatile and reliable connector designed to conveniently splice and reduce conductors. This dual rated splicer is suitable for use with both copper and aluminum conductors, ensuring flexibility for various electrical applications. It is cULus listed, which means it meets strict industry safety standards, providing peace of mind for professional and DIY electricians alike. I for efficient and safe conductor connections, this splicer helps streamline your electrical projects with quality and durability. Model Number: 65179540