Using the DeWalt DCN8906 magazine is quite straightforward. First, make sure your DCN891 cordless concrete nailer is turned off. Then, without using any tools, attach the 2-1/4 - inch magazine to the nailer. Load it with DEWALT Cordless Concrete Nailer fasteners within the 1/2 - 2-1/4 - inch length range and the .102 - .145 - inch diameter range. You're now ready to start nailing for interior or exterior framing, mechanical, or electrical projects. When it comes to safety, always wear safety glasses and follow all the safety instructions provided with your nailer. Also, never point the nailer at anyone. For maintenance, regularly clean the magazine to remove dust and debris. If you notice any damage, stop using the magazine and replace it if necessary. That way, your DeWalt DCN8906 magazine will serve you well for a long time.