Using this 2x20 - pin strip right - angle female header is simple. First, decide how you want to use it. You can attach right - angle male headers to your circuit board and then plug this female header in. Or, you can connect it directly to our 2x20 Dual Male headers. When handling the product, be gentle to avoid bending the pins. Store it in a dry and clean place to prevent dust and moisture from affecting its performance. If you notice any dirt on the headers, you can use a soft, dry cloth to clean them.