High-Torque Transmission with Ergonomic Design The Wera Tools 05057470001 Kraftform Kompakt 400, Assorted, 17 Pieces is a T-handle screwdriver set that is designed to provide high torque transmission and comfort in difficult tightening and loosening situations. The ergonomic 2-component handle with finger handle recesses and pleasant surface feel allows for very high power transmission and fatigue-free working. Effortless Bit Changes with Rapidaptor Technology The Kraftform Kompakt 400 T-handle screwdriver set features Rapidaptor technology, which enables lightning-fast bit changes. This technology allows you to quickly switch between bits, making it ideal for professionals and DIYers who need to work efficiently. Magnetic Bitholders for Easy Screw Application The set includes magnetic bitholders that make it easy to apply screws. This feature ensures that screws are securely held in place, reducing the risk of them falling off during application. High Corrosion Protection and Optimum Fit The blades of the screwdriver set have a special surface treatment that provides high corrosion protection and an optimum fit in screw heads. This ensures that the screwdriver bits last longer and perform consistently well. Ideal Handle Shape for Difficult Situations The T-handle screwdriver has an ideal handle shape that allows for high torque transmission in difficult tightening and loosening situations. The ergonomic shape of the handle fills the palm of the hand well, and the fingers lie safely in the soft rounded handle recesses. This design ensures that the whole hand makes contact with the handle, reducing friction losses between the hand and the handle.