Great for devices that are up to 5''/12.7cm in height, such as two-way radios, GPSs. For fit, simply measure the height of the device (excluding antenna). If its around 5in, this is the holster for you. Variations in thickness are accommodated by elastic retention. Comes with a heavy duty spring steel clip pre-installed for quick and secure attachment to belt, duty/riggers belt, waistband, pocket seam, backpack strap, etc. Clip can be removed and 3in TacTie installed for MOLLE compatibility.