"SureGrip 300 connectors use Direct-Gold Plating over our high-quality Beryllium Copper base metal. SureGrip 300s use no underlying brass layers that would inevitably cause distortion and otherwise damage the sound. SureGrip 300s employ our effective Cold-Weld attachment system and feature an attractive non-metallic POM casing."

• Fits up to 9 AWG speaker cables.
  
• Direct-Gold Plating High pressure contact system
• Direct contact between wire and Beryllium Copper Banana, no inferior sounding brass
• Allen Wrench and Black Labels Included