1. 45 in 1 precision screwdriver set， essential tool kit for the gadget enthusiasts2. Non-slip rubber handle makes operation easier3. Extension bar can be inserted into the handle for length adjustment.4. Convenient design of the box， just turn the open switch， then the box will open and the insert bits will erect automatically. There is also no need to press down the insert bits after using， just close the box will be enough.Wide range of using area:Televisions， CD， VCD， DVD， PCs， laptops， desktops， hard drives， mobile phones and digital products， optics instruments and watches， etc.Item Type: Repair Tool SetMaterials: Chromium Vanadium steel(insert bits) + Rubber (handle) + Polycarbonate (extension bar and tweezers)Rubber Handle Length: 11.5cm / 4.49" appExtension Bar Length: 12.0cm / 4.68" app.Condition: 100% Brand NewInsert Bits Detail:Screw driver: T4， T5， T6， T7， T8， T9， T10， T15， T20Allen driver: H1.0， H1.5， H2.0， H2.5， H3.0， H3.5， H 4.0Cross screwdriver: PH00， PH0， PH1， PH2Flat screwdriver: 1.3， 1.5， 2.0， 2.5， 3.0， 4.0Y screwdriver: Y1.5， Y2.0Five-star screwdriver: 1.5， 2.0Triangle driver: triangle 2.0 & 2.3Others: M2.5， M3.0， M3.5， M4.0， M4.5， M5.0， M5.5， PZ0， PZ1， etc.Complete setting:42 insert bits， 1 rubber handle， 1 extension bar and 1 pair of PC tweezers.Package Included:1 set of 45 in1 Screw-Driver Repair Tool Set