This 24-in-1 ratchet screwdriver set includes 24 S2 magnetic chrome-molybdenum alloy steel bits suitable for home, Diy, bicycle repair, and professional repair. The precision ratchet mechanism features forward and reverse switching with torque up to 50 Nm, saving up to 80% of force. The detachable aluminum handle uses high-precision Cnc molding technology for durability and comfort. Strong magnetic bit holder keeps bits secure during work. The set includes multiple bit types covering Phillips, Torx, hex, and slotted heads in various sizes for electronics, gaming consoles, laptops, cameras, and household appliances. Each S2 steel bit features blackened finish for superior strength and longevity. Comes with sturdy storage box for neat storage and easy portability. Weight: 0.81 pounds.