The set includes various bit and sleeves, lightweight and integrated, suitable for home appliance maintenance, home installation, and woodworking installation, meeting daily household needs The suction function of the screwdriver ' s inner hole design facilitates stable fixation of screws during operating, falling off and improving work efficiency The bit is crafted from metal materials, with a hardness of HRC60, strong wear resistance, and is not easily deformed or damaged, ensuring long time use Equipped with a brackets base, it is for storage and can also hanging on wall, saving space and making tool easy to access Contains multiple specifications of bit ( PH1, PH2, PZ1, PZ2, straight 4.5mm, straight 7mm, T 15, T20) and sleeves ( 5mm, 6, 7mm, 8mm, 10mm) to accommodate different types of screws and tasks, Manufacturer: ZBIianxer