Precision screwdriver set can be used for home appliances such as TV, air conditioners, fans, refrigerator, auto repair, etc. It can also be used for disassembly and maintenance of mobile phones, digital cameras, watches, glasses, laptops and nintendo game consoles. Meeting the daily needs of every customer is the best option for your toolkitProfessional 122 in 1 Multi-Magnetic Screwdriver Set Interchangeable Precise Manual Tool Set including Magnetic Handle, Extension Rod, Short Shank, Aluminum Alloy Extension Rod, Toolbox, Tweezers, Spindle phone, suction cup, bracts, crowbar, 98pcs screw bits, magnetizer / demagnetizer, etcThe chrome vanadium head has a hardness of 55-60HRC, could use for long time. The screwdriver head is magnetic, with good quality assurance and operabilityErgonomic soft-touch screwdrivers for the most comfortable experience possible. Compact material, anti-static handlePackaged with a storage case that provides full protection.