Official iCopy-X Intermediate Tag Pack contains:MIFARE Classic® Compatible 1K 4-Byte Blank Tag4x Magic Cards (“Gen1”) Blank Tags1x Direct Write Cards (“Gen2”) Blank Tag1x One-Time-Write Cards (“Gen2a”) Blank Tag 1x MIFARE Classic® Compatible 1K 7-Byte Blank Tag1x MIFARE Classic® Compatible 4K 4-Byte Blank Tag1x MIFARE Classic® Compatible 4K 7-Byte Blank Tag1x MIFARE Ultralight® Compatible Blank Tag1x MIFARE Ultralight-C® Compatible Blank Tag1x MIFARE Ultralight-EV1® Compatible Blank Tag1x MIFARE NTAG® Compatible Blank Tag3x T5577 Cards