First batch specifications include: 

Cross "+" type (4): PH00， PH0， PH1， PH2 (most common Phillips screwdriver) 

Word "-" type (flat) 5: 1.5mm， 2.0mm， 2.5mm， 3.0mm， 4.0mm (the most commonly used word screwdriver) 

Hexagon type (〇) 7: H1.0mm， H1.3mm， H1.5mm， H2.0mm， H2.5mm， H3.0mm， H4.0mm， (split model， bicycles， motors， firearms， etc.) 

Star "*" type (hex) 9: T3， T4， T5， T6， T7， T8， T10， T15， T20 (demolition of mobile phones， computers， hard drives， printers， XBOX， XBOX360， razors， etc.) 

The triangle "△" Type 1: △ 3.0， (demolition of small appliances， etc.) 

Y-shaped triangular one: Y3.0， (demolition GB， Wii， Nokia chargers， fans， etc.) 

Pentagram "★" Type 1: ★ 2.0， (removable partial PDAs， cell phones， etc.) 

Double "U" shaped one ("concave"， "fork" type): U2.6， (etc.， and some high-end Philips Air Purifier power strip use of such fastening screws) 

Cylindrical "●" type a: 1.0mm 

With a: child photo