Radiant Pools K-PML8-PAVERDT 18' x 30' Metric Lagoon Double Track Paver Coping Kit - This aluminum double track paver coping is for use with Radiant Pools Metric Series 18' x 30' lagoon pools. It is perfect if you want to finish your pool with paver stones on a poured cantilever edge. This finishing option creates a beautiful flush appearance around your entire pool.