karrie swivel stool chair adjustable height,heavy duty hydraulic rolling metal stool for kitchen,salon,bar,office,massage (coffee) karrie 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 gas 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. <br> <br> <b>specifications:</b><br>stool chair size: <br> 21 x 13.5 x 22 inches (base diameter with wheel x seat diameter x minimum height) <br> 21 x 13.5 x 30 inches (base diameter with wheel x seat diameter x maximum height) <br> height range 8 inches! <br> seat: cushioned measures 13.5 x 3 inches (diameter x thickness) <br> upholstery: high quality thickened pvc leather <br> cushion: brand new high-density sponge <br> base: heavy duty reinforced aluminum base measures 19 inches diameter <br> caster wheels: 2.5” diameter size durable polyurethane <br> weight capacity: 400 lbs <br> warranty: 1 year <br> <br> <b>caution: </b><br>remove the plastic cap on the top of the gas lift before assembly! this is a part of packaging only!<br><br><b> customer service:</b><br> please contact shenzhen karrie for any issues.customer service and technique support can be provided. we welcome and appreciate customer's valuable suggestion too.