Using this Wera mini ratchet is a breeze. First, select the appropriate screwdriver bit and insert it into the 1/4 square drive. Then, position the bit on the screw head. Turn the knurled wheel to quickly drive the screw in or out. When working, make sure not to apply excessive force beyond its 65 Nm torque limit as it may damage the tool. For maintenance, keep it clean after each use. You can wipe it with a dry cloth. If it gets dirty, use a mild cleaner and dry it thoroughly. Store it in a dry place to prevent rusting. Whether you're a professional or doing DIY projects at home, this mini ratchet will be a reliable helper.