... 5mm. 2.0mm 2.5mm(commonly used)"*" type (4pcs) :T3. T4. T5. T6.(suit for mobile phone ,laptop,harddisk,printer ,XBOX,XBOX360,shaver ... )it also can use for disassemble CD-ROM3.commonly used tools for disassemble mobile phone :"*"type screw use T3,T4,T5,T6,T7 ... model,T4 for some Motorola .T5 for Motorola and NOKIA ,T6 for all NOKIA mobile phone ,some samsung ,Motorola,Sony Ericsson .type screwdriver for ...