The VESTTIO 16-Piece Screwdriver Bit Set is a versatile 4-in-1 assortment featuring Hex, Phillips, Slotted, and Security Torx bits for a wide range of fastening applications. Made from durable S2 steel, each 100 mm magnetic bit offers excellent strength, precision, and secure screw retention. The 1/4-inch hex shank is compatible with most power screwdrivers, drills, and impact drivers, making it suitable for professional tradespeople, workshops, and DIY users. This set is ideal for construction, maintenance, automotive repairs, woodworking, and general household projects.