WORKPRO W112009A Heavy duty Adjustable Hydraulic Shop Stool, Green Stool rotates 360 degree for maximum flexibility Heavy duty structure Padded soft seat, the diameter of seat is 13.78 in.(350mm) Hydraulic seat height adjust from 29 inch to 33.86 inch (75 to 86 cm) Maximum load capacity: 330lbs (150kgs) The stool rotates 360 degree for maximum flexibility. Padded soft seat provides a smooth and comfortable place to sit . Heavy duty structure makes maximum load capacity: 330lbs (150kgs).