Magma Grill Standard Round Rail MountThis round rail, quick-disconnect, all angle mounting bracket is made entirely of 18-8 stainless steel and 356 anodized aluminum to endure the most severe marine environment. Fits any angle railing and detaches quickly for storage without tools leaving no hardware. Fits Standard Round Rails - Either 7/8" or 1" (22mm or 25.5mm); Note: For 7/8" rails, use included adapter;