1、The rotating cap adopts the knurling process, which can increase the friction force and it is easier to twist. 2、This adjustable fixture comes with a silicone pad, this design can prevent the phone screen from being scratched during use. 3、The design of this product is adjustable, so users can adjust according to their own screen needs. 4、This screen fixing clip is made of aluminum alloy, which will not affect the user experience due to rust. 5、This product is very versatile, and can be applied to mobile phones, tablets, curved screens, devices with glass back covers, etc. Item Type: Fastening Clamp Material: Aluminum Adjustable Height: Approx. 0-15mm / 0-0.6in Scope of Application: Mobile Phones, Tablets, Curved Screens, Equipment with Glass Back Cover 8 x Fastening Clamp