... -0.9mm6,Upright: 80x30mm, 90x30mm, 110x30mm 7,Thickness of Bracket:2.5mm8.Backboard: steel-backboard, volcano-backboard, pegboard, mesh ... backboard 9.Specail sizes also avaiable to specific supermarket shop needs Advantage:This shelf with popular design ... back board, easy to assemble and dismantleDifferent thickness, size, layers, and colors ...