Ulanzi Metal Smartphone Tripod with Cold Shoe Mount and Arca-Style Quick Release Plate for iPhone 7 Plus Samsung HuaWei Smartphones, JOBY GorillaPod Description:You need a safety and phone tripod mount ,no ,not only about that ,and a multi-function and pocket size phone holder .Yes ,you need ulanzi st-03.A new patent pocket size design with cnc machined from solid aluminum, phone is locked in place with a steel bolt (not a spring!)and a hidden cold shoe mount design .What`s more ,it can hold smartphones from 2.28" to 4.1" wide,even the 7in screen phones .What is in the box-1x ulanzi st-03 metal phone tripod mount