Display Showroom Rack is ideal for displaying finished slabs in your showroom or at any trade show. It is constructed with 2 symmetric four-layer tiers joined by 2 crossed rails. It is easy to move around with 2 swivel casters and 2 rigid casters. It is adjustable to suit different lengths of displayed materials from 40” to 70” (1016 to 1778mm). It can be completely collapsed or folded for storage when not in use. Brake mechanism is installed on each caster for one side to stabilize and stop the rack from moving. A simple design and easy to assemble.