WGGE 24K Gold Safety Connector Banana Plugs 24k gold plated contacts resist corrosion for a lifetime of durability,24k Gold Plating on Connector and Crimping Teeth Special teeth and ring-lock for strong grip that stays tight for optimum signal transfer Maximum Wire Size 8 AWG (10 AWG suggested) Wider base minimizes shorting for maximum signal transfer. High quality WGGE Banana Plugs 24k Gold Plating on Connector and Crimping Teeth.24k gold plated contacts resist corrosion for a lifetime of durability.Special teeth and ring-lock for strong grip that stays tight for optimum signal transfer.Maximum Wire Size 8 AWG (10 AWG suggested).Wider base minimizes shorting for maximum signal transfer. High quality .W&G Global Electronics Inc. mainly produce Test lead with Alligator Clips, HDMI Cables, Banana Plugs, Wire Strippers and so on. We only provided high quality and good price products to each customer.