The Elite Board Racks are saltwater friendly. They feature the Elite Backing Plate with black RWA logo medallion and integrated webbed bungee strap with loop. It holds up to 2 wakeboards with a max thickness of 1.15" inches. EACH SOLD SEPARATELY Tine Spread 10 inches 25.4 cmWake Tine Gaps 1.15 inches 2.92 cmMaterial 6061 aluminum Overmolded TPUMounting Hardware 316 stainless steel Salt water friendly