One hand use. Slide in your phone with one hand into the perfectly-tuned spring-loaded holder. Perfect view. Use the double socket connecting arm with a single hand-tightening knob for full adjustability of your Offroam mounting system Universal fit phone holder. Fits any large phone up to 3.8" wide with a case or pop-socket in portrait or landscape orientation. Strong and secure for 4x4 trails. Holder has internal springs with 3M elastomer-lined grip sides that deliver great holding power. Vehicle specific. Designed specifically for Jeep Grand Cherokee WK2 2014-2022 the Offroam mounting base installs without drilling or disassembly in minutes and does not block air flow. The mounting base is lined with a molded elastomer that protects your air vent from marks so you can remove the clamp at any time. All-metal design. Made entirely of marine-grade aluminium, stainless steel and quality 3M elastomers for durability in 4x4 and other demanding environments. 4x4 phone mount designed specifically for Jeep Grand Cherokee WK2 (2011-2022). Patent pending design installs in minutes without drilling or dashboard disassembly. The universal fit phone holder accepts all modern phones and keeps them secure in toughest conditions.