COMET MG-4N Mag Mount 4.25 Inches Diameter with 13 Feet of Low Loss Coax Cable N Male Connector
Strong 4.25 inch magnet with 4 meters (13ft) of low loss coax and N-female connector Coax terminates in an N-male connector that can be easily disassembled,the coax length shortened to avoid excessive cable loss, then reassembled