I bought this some time ago, even though it seemed more expensive than some I could buy online, I decided to go with it.
I've used it with my Nano SIM in Micro and Mini SIM slots on two of my phones, and have never had any problems. Unlike cheaper ones I've had in the past, they didn't fall out of the adapter, I didn't have any problems trying to remove them from the devices.
I'm currently using the Nano to Standard SIM adapter in my dual SIM phone and I'm going to buy another one of these SIM adapter packs for hubby.
I purchased this to use the nano sim in my spare iPhone 4s, if i followed the advice of the assisted in the store they WOULD have lost a sale as he strongly advised me NOT to buy this.... Ha good job i followed my own instinct, the adaptor works perfectly, I tried the adaptor in all my spare phones from nano to micro right upto the standard, and works perfectly!
Does exactly what it says on the package. Used Mini sim adapter to full size sim - easy to clip sim into adapter and slotted in perfectly to replacement handset. So forget having to get an emergency PAYG phone when the contract one break downs! Just need one now that will give a second line for using abroad whilst on holiday. Well done Rocketfish!