The 2100S handheld auto-feed screwdriver is lightweight and portable with an ergonomic grip, reducing operator fatigue during long-hour operation. Equipped with an automatic screw feeding system, it realizes automatic screw conveying and precise feeding without manual picking, greatly improving locking efficiency. With adjustable and stable torque, it effectively avoids slipping, insufficient locking and missing screws. It is compatible with various screw specifications for wide application. Featuring low noise, stable performance and easy maintenance, this flexible handheld device adapts to special-shaped workpieces and assembly lines. It is widely used in electronics, home appliances, hardware and toy industries, an ideal equipment to save cost and boost productivity.