These are RG-8X male to male 50 ohm shielded cables with PL-259 plugs on both ends.  Available in 20 ft, 50 ft, 75 ft and 100 ft lengths.

All the connections inside are soldered and the cable is made of copper conductors.

Perfect for CB, Amateur and Two-Way Radio Applications, CB Radio for Connecting the Hand set and for all Transceivers HF VHF UHF Requiring a Cable with PL-259 Connectors

FEATURES

Product Series: UHF male to male PL259 connectors RG8X cable
Family: Coaxial, RF antenna cable
Gender: UHF male
Length: 20, 50, 75, 100
Cable type: RG8X Coax Coaxial cable; also known as mini 8
Impedance: 50 Ohms