This screwdriver have 15 different bits, that will fit to any type of screws of mobile phones , PDA, NDS, MP3, MP4 A versatile set for driving and retrieving very small screws. High quality made all metal screwdrivers Ideal for accessing fasteners in tight areas Non-slip studded handle Magnetic screwdriver head Tool set comprises one screwdriver head and 15 insert bits T4, t5, t6, t7, t8, t9... http://www.6deal.com/en/16-in-1-screwdriver-tool-set-for-pda-nds-mp3-mp4-t4-t5-t6-t7-t8-t9.html