1. 50-Piece 3-Inch Screwdriver Bit Set: This 50-piece drill bit tool kit includes commonly-sized hex, nut driver, Torx, slotted, square, Pozidriv, and other special drill bits, and also includes a magnetic drill bit holder. This fully-featured multi-bit screwdriver can meet your workshop, home, or DIY needs 2. Premium Chrome Vanadium Steel: Made of high-strength CRV steel, this magnetic screwdriver bit is durable and not easy to break or bend 3. Safe and compact storage: The extended drive drill bit set is kept in a sturdy blow-molded box, not easy to lose; the box-style container drill bit retention system ensures the drill bits are fixed, and the labeled drill bit slots help keep tools organized 4. Magnetic extended drill bit holder: The two-way ratchet handle allows for easy continuous turning, while the magnetic function of this screwdriver tool ensures that the drill bits are firmly fixed in place Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Minnanxin