24-in-1 multi-functional manual ratchet screwdriver set, featuring a freely combinable aluminum alloy ratchet handle. A versatile manual ratchet screwdriver set, featuring a ratchet handle and freely combinable extension bars. Includes 24 S2 alloy steel bits, suitable for car, bicycle, furniture, and electrical appliance repairs. Each tool undergoes multiple precise quality inspection processes, with strict controls at every stage from materials to manufacturing processes. It is burr-free, flawless, and its precision error is controlled to an extremely small range, ensuring safe and stable use. Due to processes such as anodizing, nickel plating for rust prevention, and electrophoretic coating, the tool surface is smooth, corrosion-resistant, moisture-proof, and rust-proof., Manufacturer: THUJMGH