??Compatible Model??This Item Can be used for most glass battery case back cover. like for iPhone.for Samsung. for Xiaomi.for OnePlus.and more ??Easy to Use??Built-in spring inside the pen. The upward screwing force is small. the downward screwing force is large. ??High Quality ??It can be adjusted in different strength. Stainless steel and a strong aluminum casing. ??You will get??1X Back Cover Glass Demolition Blasting Pen
