These are concept renderings, however the steel trusses are hot rolled steel machined out of half inch steel with a solid wood stretcher. The finish on the steel is raw mill scale and protected with a metal appropriate polyurethane. The top can be out of slab live edge wood or laminated slab wood. The dimensions in the rendering are 54"W x 120"L x 30"H. The chairs are Herman Miller
Aeron Chairs available at various furniture retailers.
This table is completely customizable to suit your need and space requirements.