Using the DeWalt DW2230IR - G nut driver is easy. First, insert it into your impact driver or wrench. The industrial - strength magnet will hold the fastener in place, so you can quickly start your work. When you encounter tight spaces or corners, use the 20 - degree pivoting feature to access those areas. As for maintenance, after each use, wipe the nut driver clean with a dry cloth to remove any debris. Keep it in a dry place to prevent rust. Also, avoid using it with excessive force that could damage the tool or the fasteners. If you notice any signs of wear or damage, replace the nut driver to ensure safety and efficiency.