ITEM NAME:2pcs RF Coax F Female to F Female Connectors 9.5TV Antenna Plug Adapters #gib Store Home Promotion Hot Item Add to Fav.2pcs Zinc Alloy RF Coax F Female to F Female Connector TV Antenna Coaxial Connector 9.5TV Coaxial Plug Adapter. This product is made of zinc alloy die-casting, one inner thread is electroplated, the other is fast inserted, used for the transfer between F female to F female.