GLS Audio Wave Flex Banana Plugs - Gold Connector Banana Clips - 8 PACK (4 Reds & 4 Blacks) Dual set screw design for a solid secure connection Wave Flex blade design allows far more surface area connection High Tension blade for a secure fit 2 extra set screws per plug included (16 extra set screws) Designed for 10, 12, 14, 16 and 18 gauge wire