Specification:Application Range: It is applicable for the preservation and maintenance of the communication instrument and the optics facilities，such as computers， precise watches， mobile phones， televisions， telephones， glasses and the video recorders. It is the most ideal tool for the precise work. Screwdriver set Idea for Precision tool High quality Professional Hardware tools 38 in 1 pocket precision screwdriver set Trox screw driver : T3， 4， 5， 6， 7， 8， 9， 10， 15， 20 Hex screw driver : H0.9， 1.3， 1.5， 2.0 ， 2.5， 3.0， 3.5， 4.0 Straight screw driver : 1.0， 1.5， 2.0， 2.5， 3.0， 3.5， 4.0 Cross screw driver : 1.0， 1.5， 2.0， 2.5， 3.5 Y screw driver : 2.0， 2.5 Triangle driver : 2.0， 2.3 Star driver : 2.0 Circle driver : 1.5 Tweezer : 6cm (L) Weight : 221g Note:The screwdriver is controlled by hands.And it is a professional tool for electronic product repair.Package including: 100% Brand New! 1 X screw driver tool set