1. Comes with extension rod can be inserted into the handle for length adjustment. 2. Precision screwdriver set can be used for a variety of projects from hobbies, automotive work and the computer repair and other electronic repair. 3. It comes with plastic storage box for easy transport. 4. Package contents: - 1 x Handle - 1 x Various Angle Veer - 1 x Extendable Rod - 42 x Screwdriver Bits(Nut Driver: M2.5, M3.0, M3.5, M4.0, M4.5, M5.0, M5.5 Torx: T3, T4, T5, T6, T7, T8, T9, T10, T15, T20 Others: H0.9, H1.3, H1.5, H2.0, H2.5, H3.0, H3.5, H4.0 Straight: 1.0, 1.5, 2.0, 2.5, 3.0, 3.5, 4.0 Philips: 1.0, 1.5, 2.0, 2.5, 3.5 Triangle: 2.0 Y shape: Y2.0 Five star: 0.8 U Shaped: U2.6 Point: 1.5) - 1 x Plastic Storage Case
