"Dual" Extended Horizontal Round Rail Mount Heavy DutyThis round rail mounting bracket is made entirely of 18 8 stainless steel and 356 hard anodized aluminium. The quick disconnect system allows for quick disassembly leaving no hardware on the rail. Designed for mounting rectangular or dual mounted filet tables out over the water. Compatible with dual mount (DM) rectangular marine grills with a 12x18 in. primary cooking grate or smaller and dual mount (DM) tables. NOT compatible with large grills with a