Universal Compatibility: Accepts bare wire, spades, or banana plugs (12-18 AWG).
Color-Coded Rings: Black/red rings for easy polarity identification.
Secure Connection: Open screw type for tight binding post contact.
Corrosion-Resistant: 24K gold-plated copper plug for long-lasting performance.
Aluminum shell with copper interior :Made with Pure Copper ,unlike competitors who use Iron internally with gold plating, offering superior conductivity and durability.