Using this Wera bicycle maintenance set is easy. First, select the right bit from the magazine using the color - coded and size - stamped system. Then, attach it to the screwdriver. You can use the ratchet function for quick and efficient turning in hard - to - reach areas. When not in use, always store the bits back in the captive magazine to keep them safe. Make sure to clean the bits and the screwdriver after each use with a dry cloth. Avoid using excessive force as it may damage the bits or the tool. Keep it in a dry place to prevent rusting, and it will serve you well for many bicycle maintenance tasks.