A good helper to match photo tripods and smartphone. suitable for common tripods, selfie stick with standard 1/4’-20 screw head. Cell phone holder size: 58mm - 100mm, the adjustable cell phone holder is suitable for different width of cell phone ( with or without protective cover). for example Iphone 7 Plus/7/6sp/6p/6s/5s, Android Smartphone, Samsung Galaxy/Note, Huawei. Maximum suitable for mobile phones up to 6 inch screen diagonal. Stable fixation of the smartphone by a set screw, stronger than other spring-loaded holders. Lightly padded side panels protect your smartphone from scratches and slips. Screw thread can be rotated 360 degrees: two different mounting options. You can flexibly choose portrait or widescreen recordings.Flexible uses, ideal for taking family photos, panoramic photos, YouTube videos, time-lapse recordings. Compact and lightweight, easy to take with you on the go.