- Machine Age style adjustable swivel desk chair - Produced by Tubax Belgium in the 1930s - This industrial chair has a 4-foot base and is adjustable in height - The seat is adjustable to weight and moves back and forth - It features an adjustable back support - It has a very comfortable seat and was build to commercial standards, able to withstand heavy use - It has a chromed metal base - The seat is made from wood with grey leatherette upholstery - The chair is marked Tubax on the backrest with an iron plate - This chair is in a good and working condition Labeled by Maker,This piece has an attribution mark, I am sure that it is completely authentic and take full responsibility for any authenticity issues arising from misattribution