IMAGE® Nano Sim Card Cutter Convert With 3 Standard Metal Adapter to Cut Micro, Nano to Micro, Nano to Sim Card Adapter For Apple iPhone 5 5S 5C
Most Nano SIM card cutter can only cut the normal SIM into Nano SIM. Howeve, if you are using iPhone 4 or 4S now, you've already cut your normal SIM into Micro SIM. Most card cutter cannot cut Micro SIM. But with the metal adapter included in this item, you can cut your old Micro SIM into Nano SIM.Nano SIM is about 15% thicker than SIM. After cutting, you still need to polish it to the proper size. It will cut down part of metal chip of SIM, but the effective chip area is still complete.However, take things slowly. You may damage your card if this isn't done properly. Before cutting the card, you need to be clear about the risk.