iBOLT sPro2 Holder Compatible with iPhone, Samsung Galaxy, HTC, Nexus, LG, Sony, and More Works with all standard 17mm mount including Garmen and iBOLT Mounts (ROK 2, Rok 3 suction mount, miniBall mount or Vent Mount). The sPro2 cannot be mounted by itself. The sPro2 fits phone/case combinations from 4.5 In (115mm) to 6.7 In (170mm) in height, and unlimited width. Includes one iBOLT tightening ring Designed with the iPhone in mind, the bottom feet on the sPro2 are adjustable to allow for charging and auxiliary cables.