The SUNSHINE SS-5121 66-in-1 Multifunctional Precision Screwdriver Set is a comprehensive toolkit designed for professionals and DIY enthusiasts engaged in electronics repair and maintenance. Featuring 64 precision bits made from durable S2 alloy steel, this set covers 15 distinct types, including Torx, Hex, Flat Blade Slotted, and Crosshead, catering to a wide range of devices such as smartphones, tablets, laptops, cameras, watches, and eyeglasses