Material: Made from High Quality Aluminum，Fixture Inside rubber pad will not hurt screen pplication:Used for phone screen repair, to clamp your mobile phone,when you replaced a new screen in the right place, will not bulge or sink. Used to clamp your mobile phone,when you replaced a new screen in its right place.not bulge or sink Features:Adjustable holder to fit most mobile phone and tablets; Light weight and durable, portable, easy to carry. Universal clip fixture, can be used to for iPhone iPad Samsung S8 Huawei Xiaomi etc