The tabletop is Room & Board's Parsons Round Dining Table Top, available in a number of diameters and finishes. (The finish pictured is Maple.) The conical steel base is vintage -- here is a similar one via 1st Dibs.
The chairs are Arne Jacobsen's Series 7 chairs, available in an extremely wide variety of veneers, colors lacquers and even in an upholstered version via Fritz Hansen.
Common Bond Design