The SUNEX TOOLS 8516 Hydraulic Shop Stool has a hydraulic seat adjustment easily adjust the height of the seat from 29” to 34”. Made with a comfortable, vinyl padded backrest and seat for ultimate comfort and support, this stool also has slip resistant feed that allows leveling on uneven surfaces. The high-polished chrome finish provides a sleek look for your shop while preventing surface corrosion. This stool has a maximum capacity of 250 pounds and can rotate 360 degrees.