... .0mm 2.5mm(commonly used)"*" type (4pcs) :T3. T4. T5. T6.(suit for mobile phone ,laptop,harddisk,printer ... for disassemble mobile phone :"*"type screw use T3,T4,T5,T6,T7,T8 and "+"type 2.0mm ... phone of Samsung ,chinese mobile phone ,some Panasonic model,T4 for some Motorola .T5 for Motorola and NOKIA , ... . T3:for Motorola V3 and Siemens SL55 etc..T4:for Motorola series T5:for Motorola and NOKIA seriesT6 ...