Using the Klein Tools 66010 is a breeze. First, pick the right socket size from the set for your fastener. Then, attach it to your impact driver. The 12 - point design helps you easily fit it onto the fastener. When you're done with your work, put the sockets back into the carrying case to keep them organized. As for maintenance, make sure to clean the sockets regularly with a dry cloth to remove dirt and debris. Don't use excessive force that could damage the sockets. Store the set in a dry place to prevent rusting. This way, your Klein Tools 66010 will last you a long time and keep performing well.