Precision Bit Set：Precision screwdriver set，including socket set/hex head/plum head/cross head/hexagon head/mono head，totally 68 screwdriver sets High-quality material：Made of CR-V material，stronger than most carbon steels;Built-in powerful magnet to hold bits and screws firmly;Chrome plated for corrosion resistance and beautiful appearance Easy to use：This precision screwdriver set features a non-slip textured handle that fits the curve of the human palm. The screwdriver shaft can be rotated 180° at multiple angles to change any angle at will，making it more convenient to use Easy to carry：Comes with a special storage case for easy carrying.Meet your work needs，suitable for a variety of projects, electronics, computers, watch repair, jewelry repair, and fixing anything with micro screws 大型游戏应用：This ratchet screwdriver contains a variety of sizes of alloy bits (68 in total), covering almost all screw sizes needed for most equipment, cars, household appliances and some electronic