the shelf measures 6 inches in depth and 72 inches in length

Closed: 39-5⁄32″ x 28-1/4″ x 3⁄8″ (995 x 718 x 10 mm)

The unit is placed directly over the tub with the mounting bracket knuckle 1/8" to 1/4" (3 to 6) above the tub so that when in down position the seat frame cushion grip-pads rest upon the tub rim

Part of ASI's Matte Black Collection

Vertical post accommodates one roll up to 5-1/2" (40mm)

Bobrick DuraLine Phenolic Partitions Phenolic 1082 Panel (59.5" x 58") & Mounting Brackets cold water portable sinks the shelf measures 6 inchesBobrick DuraLine Phenolic Partitions Phenolic 1082 Panel (59. 5" x 58") & Mounting Brackets