WGGE 24K Gold Safety Connector Banana Plugs24k gold plated contacts resist corrosion for a lifetime of durability,24k Gold Plating on Connector and Crimping TeethSpecial teeth and ring-lock for strong grip that stays tight for optimum signal transferMaximum Wire Size 8 AWG (10 AWG suggested)Wider base minimizes shorting for maximum signal transfer. High qualityHandling and shipping Usually ship within same business day if paid before 14:00 PST (excludes weekends and holidays)