Magma Crossover Surface Slide Mount This Magma surface slide mount is a convenient mount for any rectangular Magma grill, Crossover Firebox, fillet, or party table. Constructed from marine grade stainless steel tubing with cast aluminum components for durability and longevity in marine environments. The quick release clamp makes for easy and quick mounting as well as for rotation the surface to your desired space. When not in use simply pull the pin to release the mounting arm from the slide mou