Using these Powers Fasteners 02808 - PWR Mushroom Head Zamac Nailin Anchors is easy. First, drill a hole in your base material with a 1/4' drill bit. Make sure the hole is clean. Then, insert the anchor into the hole. You can use a hammer to drive the carbon - steel nail into the anchor. It's great for jobs like roof flashing, mechanical attachments, and more. Just remember, don't use it overhead or for life - safety applications unless you've checked the allowable loads. For maintenance, since the anchor body is made of corrosion - resistant Zamac alloy, it should last a long time. But if you notice any signs of wear, replace the anchor. Store them in a dry place to prevent rust on the carbon - steel nail.