Vitamin Stool by Nicholai Wiig-Hansen for Ikea 1990

Vitamin model stool by nicholai wiig-hansen for ikea in the 90s. The seat is adjustable in height thanks to a gas spring, just press the two buttons below the seat to choose the desired height. Dimensions: height min 51 cm, max height 71 cm, foot diameter 41 cm, seat diameter 37 cm.