We guarantee that your issue will be solved quickly. We usually respond within 24 hours on weekdays. The comfortable rolling swivel stool features a thick cushioned seat with a mechanism (seat plate) screwed which can rotate 360-degree freely, equipped with a sturdy hydraulic lift cylinder to adjust height(height range 8), a heavy duty 5-legged metal chrome base with durable rollerblade wheel casters which can roll smoothly and swivel 360-degree. The hard-working stool chair makes it easier to get through a busy day, very convenient for multi-tasking work. The contemporary style is applicable to home and workplaces. 21 x 13.5 x 22 inches (base diameter with wheel x seat diameter x minimum height)? 21 x 13.5 x 30 inches (base diameter with wheel x seat diameter x maximum height)?

Seat: cushioned measures 13.5 x 3 inches (diameter x thickness)? Upholstery: high quality thickened PVC leather? Cushion: brand new high-density sponge? Base: Heavy duty reinforced aluminum base measures 19 inches diameter?

Caster Wheels:2.5 diameter size? Remove the plastic cap on the top of the gas lift before assembly! This is a part of packaging only! Customer service: Please contact Shenzhen Karrie for any issues.

Karrie Swivel Stool Chair Adjustable Height, Heavy Duty Hydraulic Rolling Metal. This item is in the category "Home & Garden\Furniture\Benches, Stools & Bar Stools".