uxcell 10pcs BNC Male Connector to AV Screw Terminal Adapter Video Balun Transceiver Product Name : Video Balun;Type : BNC Male Female to Screw Terminal Size (Each) : 4 x 1.3cm / 1.6" x 0.5" (L*D);Material : Plastic, Metal Color : Silver Tone, Gray, Green Net Weight : 139g Package Content : 10 x Video Balun