Using the GearWrench 84857 socket is easy. First, make sure your tool has a 3/4 - inch drive that matches this socket. Then, simply attach the socket to your tool. You can use it to work on 46mm fasteners. When using it, don't apply too much force at once to avoid damaging the fastener or the socket. Since it's not magnetic, be careful not to drop it. As for maintenance, after each use, clean the socket with a dry cloth to remove dirt and debris. If it gets wet, dry it thoroughly to prevent corrosion. The manganese phosphate coating helps resist corrosion, but proper care will make it last even longer. And remember, this socket meets high - quality standards, so you can rely on it for your professional jobs.