Family of stools that includes 2 lines. A stool with a liftable piston. The basic piece of the leg embraces the column and gives uniqueness to the product. Rod option is also available. Both options are sized to generate a harmonious set between base and seat. It has a markedly symmetrical character, since all its curves are balanced on both axes. The seat has an ergonomic curvature that adapts to the shapes of the body, providing comfort and comfort when sitting.