Audioquest SureGrip 100 BFA/Banana Connectors Set of 12 (Gold) BerylliumCopper is stronger, more conductive, and better sounding than normal phosphorbronze connectors DirectGold Plating looks dull because there is no distortioncausing shiny nickel layer underneath. It is optimized for sound ColdWeld System for an ideal connection, better sounding than solder Tighten Allenscrews with supplied tool to create an ideal connection between plug and conductor Slide the nomagneticinterference ABS casing over the banana and screw into place