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 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, Manufacturer: Zeizafa