B20700 Size: 18" Features: Product Type: -Grab bar. Weight Capacity: -250 Pounds. Dimensions: -Space required is 14.5" to 2.5". -The diameter of the plates that attach to the wall is 2.25".. Size 12" - Overall Width - Side to Side: -12". Size 14" - Overall Width - Side to Side: -14". Size 18" - Overall Width - Side to Side: -18". Size 24" - Overall Height - Top to Bottom: -1.5". Size 24" - Overall Width - Side to Side: -24". Size 24" - Overall Depth - Front to Back: -1.25".