Vertical "LeveLock" Round Rail Mount(Standard Duty)T10-780 Fits Standard Round Rails 7/8" or 1" (22 mm or 25.5 mm)This mount combines the versatility of our popular "LeveLock"; all-angle quick release, cam-action mount for instantaneous leveling, with our sturdy vertical, out-over-the-water Round Rail Mount. This mount is made entirely of 18-9 stainless steel and 356 anodized aluminum to outlast even the most severe marine environments. Quickly disassembles for stowage without tools, leaving no hardware on the rail.NOTE: Not recommended for use with the A10-1225 "Monterey" Gourmet Series Gas Grill.