Fiberglass Diving Base, 6' and 8' Edge - Tan; No Jig; with stainless steel hardware The Edge™ Diving System is the choice for those who need a system manufactured out of composite materials to resist rust. Designed for new construction projects or retrofit applications, the Edge™ base comes standard in white, and can be upgraded to one of 3 designer upgrade colors. Pair the base with an upgraded color diving board for a sleek look to match your backyard décor.