SIM Card Adapter Nano Micro - 4 in 1 Converter Kit - White, ( 2 Pack ) 3 in 1 SIM Adapters:Nano sim to Micro sim,Nano sim to Standard sim,Micro sim to Standard sim,allows you use your sim card to all phones with our sim adapters. Carved accurate size:Micro sim adapter inside casing 15*12 mm and outline border 25*15 mm,Nano sim adapter inside casing 12.30*8.85 mm and outline border 25*15 mm,Nano to micro sim adapter inside casing 12.30*8.80 mm and outline border 15*12 mm. Easy Operation:No need other tool,just put your Nano Sim or Micro Sim in the adapter,then it can help to convert your phone Sim Card, Packed with 1 needle,alllows you open the phone's sim card tray easily. PLS don't insert an empty phone sim adapter into your phone and remember that this Nano to Micro sim card adapter kit will only work with SIM cards. Furthermore, pls note that this sim adapter is NOT a memory card adapter or Micro SD card adapter or a sim card reader. The sim card can only be converted into a LARGER PHYSICAL SIZE and NOT a SMALLER SIZE. This phone sim card adapter does not need extra tape to hold the sim card,adapter nano sim has a semi-adhesive sticky pad to double-ensure that your SIM card will stay frimly in place.