Low Relief Retaining Wall Arch Kit TT:120 (3 Arch)TT: 120 Low Relief Triple Single Arch Retaining Wall Laser cut kit of 2mm MDF and grey board Simple layered construction with a choice of top wall style and the option to include 'j' type cable hangers Plain Top Wall Standard brick bond etched pattern Relief Top Wall Brick pattern overlay creates a recessed 2mm deep frame with brick pattern behind Embossed Top Wall Etched frame of a single course of bricks, usually made from a complimentary brick