Great for small two-way radios, Treo, iPhone, Palm, Blackberry and anything thats 4.5" or less in height. For fit, simply measure the height of your device (excluding antenna). If its 4.5" or less, this is the holster for you. Variations in width and thickness are accommodated by elastic retention. Comes with our heavy duty spring steel clip pre-installed for quick and secure attachment to duty/rigger's belt, pants belt, waistband, pocket seam, backpack strap, etc. Clip can be removed and 3" TacTie installed for MOLLE compatibility.