Our Economy 3 Step Display Units are designed to sit on a table top to better display smaller items such as pottery, toys, plants, etc. Because the steps are free-standing they can be positioned at varying distances apart if different length boards are available. 1.2m & 1.8m wide have 2 step frames 2.4m & 3m wide have 3. Folds flat for ease of transport. . Overall Depth & Height 150mm x 150mm = 450mm. 225mm x 225mm = 675mm. 300mm x 300mm = 900mm.