Ztechnik Small Cell Phone MP3 Holder GPS MountZtechnik GPS mountable Adjustable cradle for mounting small cell phone or I-Pod® ( Nano, Mini or standard). This kit may be mounted directly to any standard top plate or to the Z6202 Quick Change Adapter.GPS mountable phone or small mp3 player holder see our other items ie dual mount top plate (allows 2 items to be fitted to 1 gps mount) or quick release snatch plate for gps- move you item form vehicle to bike etc Holds accessories from 1.5 in. (40mm) to 2.8 in. (73mm). Overall height is 3.5 in. (89mm).