1.Package Information 9pcs T6 short screw, 9pcs T6 long screw, 9pcs T15 short screw, 9pcs T15 long screw with storage box. Multiple types of screws, easy to find the right size screw for your device. 2.Suitable For Multiple types of screws included, We've been tested many times, our screws Compatible with Ring doorbell & Ring doorbell 2 & Ring doorbell pro. 3.High Quality These ring doorbell screws are made of industrial hardened carbon steel, strong as original quality,Durable to use,Replacement Security Screws have been electroplated with Zinc to resist corrosion and rusting. 4.High Performance and Precise Manufactured with a thick flat tip of the ring doorbell replacement screws, to ensure proper safety, increased durability and proper adhesion to the bracket that comes with the doorbell, bring you nice using experience. 5.Wide Application Screw suitable for compatible with most models of video ring doorbell, for remove the ring doorbell for battery replacement, charging and replacement, and Wifi password reset access, etc.