Material: 45 # Steel (Bits), Plastic (Box), PP (Handle) Magnetic: Yes Screwdriver Set Repair Tool comprises one screwdriver handle and 30 insert bits Trox screw driver: T3, T4, T5, T6, T7, T8, T9, T10, T15 Hex screw driver: H1.5, H2.0, H2.5, H3.0, H3.5, H4.0 Cross screw driver: PH00, PH0, PH1, PH2 Flat screw driver: 1.0, 1.3, 1.5, 2.0, 2.5, 3.0, 4.0 Y screw driver: Y3.0 Five-star screw driver: 2.0 Triangle driver: Entity triangle 3.0 Others: U2.6 Bits Length: approx. 2.5cm Handle Length: approx. 10cm Box Size: 145mm (H) X 45mm ( bottom diameter ) Professional portable design, high practicality Screwdriver handle material is PP and non-slip Screwdriver handle with activities rotating cap Highly precise tips in various specifications for different uses The handle is designed based on Human Mechanics, which makes operation more efficient and convenient