Only two brackets, does not contain others High quality materials 360 rotation The phone holder is made of high quality zinc alloy and stainless steel. Zinc alloy has good ductility and abrasion resistance, avoid breakage when dropped. it is sturdy and can hold the ring tightly which helps it become a good long-term support. You can adjust or turn it easily High-strength adhesive Using strong and sticky 3M VHB tape, you can securely attach the ring holder to your mobile phone or tablet, so you can make sure your phone is safe. Supports phones under 5 kg. Note: Please use the phone holder after 24 hours following its installation Humanized design The ergonomic design of this product makes it a good holder in crowded buses or subways to prevent your phone from slipping from your hands. It is also an ideal solution for placing your smartphone on the desk, kitchen counter or bedside table when watching video, listening to music, making a video call or playing games. Totally free your hands Universal Compatibility This phone holder perfectly fit for all smartphones, like iPhone 11 Pro Max / XS / 8 Plus / 7 Plus / 6s Plus / 6 Plus, Samsung Galaxy S10 Plus / S9 / S8 / S7 , Huawei Mate 20 Pro / P10 / 9 Pro, LG G6 , HTC, WIKO, OnePlus, and all phones and tablets