For small 2-way radios, Treo, iPhone, Palm, Blackberry and anything that’s around 4.5 in. height. For fit, simply measure the height of your device (excluding antenna). If it’s around 4.5 in., 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. Fits 2.25 in. belt loops.