Firestik Antenna Company QD-259 Coaxial Adapters attach to any PL-259 type terminated cable and feature a push-on style PL-259 connector on one end and an SO-239 female connector on the opposite end. 

These QD-259 Coaxial Adapters allow for the quick connect/disconnect of coaxial cable. They are perfect for test leads and situations where radio equipment is frequently moved in and out of your vehicle or home for reasons of security or transported to a secondary location.