The ratchet screwdriver can be conveniently carried and stored with bits. The inside of the screwdriver handle is hollow and the cover at the end can be unscrewed, which provides a storage function and prevents loss The nine-piece bit set alloy steel of the ratchet screwdriver is heat-treated steel, which has a high hardness and does not tend to rust during prolonged storage. The bits are and The ratchet screwdriver breaks the direction limit and can turn the screwdriver clockwise (tighten) or counterclockwise (loosen). The 180° rotating screwdriver can be fixed at different angle The design of the ratchet screwdriver handle usually focuses on grip comfort and provides a better feel and stability when using the handle. Uses ratchet double drive technology, which makes it two times faster than conventional screwdrivers, thus improving work efficiency 9-in-1 ratchet screwdriver includes a screwdriver handle and nine interchangeable bit screwdriver bits: PH1, PH2, T20, SL5, SL6, H4, H5 and H6, which can be adapted to different screw models, Manufacturer: BCIOUS