Using your GearWrench 86126 wrench set is a breeze. First, select the right size wrench for your fastener. The set includes wrenches from 10mm to 19mm, so you're likely to find the perfect fit. The universal spline drive can work on different types of fasteners, like 12-point, 6-point, and spline ones. Just place the wrench on the fastener and start turning. The 120XP ratcheting box-end with its 3° swing arc allows for quick and easy ratcheting. If you're dealing with a stubborn fastener, use the 0° offset non-ratcheting end to break it loose. The extra-long beam gives you better leverage. When you're done, store the wrenches in the included tray to keep them organized. As for maintenance, since the wrenches have a full polished chrome finish, you can easily wipe them clean with a cloth. This finish also resists rust and corrosion, but it's still a good idea to keep them dry when not in use. Remember, this set comes with a limited lifetime warranty, so you can count on its quality for a long time.