Wera Tools - 9528 Ball-Grip Set 29 piece screwdriver set including one ball handle tool. Ball handles have been used successfully in Japan for many years and are very popular. Thanks to these handles, a lot of pressure can be transferred while screwdriving. The palm encloses the handle from above, which allows high torques and high axial forces. ""Take it easy"" tool finder with colour coding by profile and size stamping for quick and easy identification of the required tool. Wera