The Double Adjusta-Pro is similar in design and fit as the original Adjusta-Pro, but for 2 radios. It"s original purpose is for communication specialists who must carry two incompatible radios, but has been adopted by professionals who wish to carry other devices in a safe and accessible place. The second radio carrier can be sized to fit a phone, gps, 2-way radio, ect. Center pocket can hold extra batteries, a pocket knife etc. Radios not included.