Square Round extension HPL tabletop with solid wood edges and internal edge banding.  With 1-12" leaf.  Over all-metal table base 

HPL top and bottom surface

Solid wood edges

Solid wood banding on leaf and half tops

Table locks 

Ball bearing table slides

Adjustable levelers on table base

Fully upholstered arm-less bucket over an all-metal swivel-tilt pedestal base

Memory foam seating

Swivel tilt mechanism

Double "soft" wheel casters