Conterra originally designed this harness for F.E.M.A. communications specialists who often have to carry two incompatible radios. Customers rapidly realized that the extra radio pocket easily fit a cell phone or G.P.S. unit, making this a highly popular item. Both pockets adjust in length and girth just like the Adjusta Pro, so you can put your primary radio on either side. Our new Adjusta-Pro II sports a larger center pocket for back up batteries, Multi-Tool etc. as well as a custom pouch for the Conterra four funtion E/R light (included). The harness platform adjusts and rides exactly like the legendary Adjusta Pro. Radios not included.Center Storage Pocket measures 6" Tall x 4" Wide x 1.5" Deep.