go to ioffer and check out mcglassgallery, i got my 14mm dome and nail set for 40 dollars, came with two glass nails, two glass dabbers (which i dont use) and a nice quality side enter dome and splash guard, though i wish it was a drop top dome.
got mine for $45 but its all Clear with a glass nail 18.8mm check out my pickups thread for pics..got it on aylt or aka waterlab. PUFFER