The patented Snap-Lock® coping design ensures the liner is locked in the coping track around the pool. This feature eliminates dealer call backs. The Snap-Lock® coping is available in several profiles to accommodate the finished look you choose for your pool. I.E. concrete receptor for concrete decks, front mount and top mount track for brick coping, light track coping for fiber optic light systems, double track cover lock designed to hold a winter cover, also available in gray. Contact us for complete details.