18mm Domeless Titanium NailA 18mm domeless titanium nail is more targeted towards pros or those that are willing to spend more money on a piece. This is usually because a 18mm titanium domeless nail usually connects to a large water piece. These large pieces can be very expensive and many of them are custom blown to make them stronger and stand out compared to other pieces. A 18mm domeless titanium nail would be a great piece to add to your collection if you are the type that prefers to spend more money for a bigger and better show piece. These 18mm pieces are available in various places. While browsing through the different peice available, look for the tag under the image, so you know where you can buy the pieces that interest you. They will be reputable places such as Ebay, Amazon, and Grasscity.com.