1、Practical: Double sided screwdriver set, complete accessories specifications, multi purpose, more practical and flexible. Equipped with a universal hose, it is more convenient to operate in narrow and corner places. 2、Adjustable Length: The length of the universal barrel of the 135 in 1 screwdriver is adjustable, which increases the length of the screwdriver, increases the torsion force, and is easy to use and operate. 3、Magnetic Suction Design: The magnetic suction design at the front end of the extension rod, the installation of the batch head does not fall off, which is convenient and efficient, and can absorb multiple small screws without falling off. 4、Ergonomic Design: The screwdriver set adopts a non slip handle, which is ergonomically designed, fits the hand shape and is non slip, not easy to hurt the hand, durable and labor saving, suitable for long term work. 5、Wide Range of Applications: It can be used for equipment maintenance, automobile maintenance, home appliance maintenance, emergency maintenance, etc. (such as computer, glasses, PC, laptop, mobile phone, watch, camera and TV maintenance, etc.).