2 x Acrylic Hydraulic Lift Adjustable Counter Bar Stool Dining Chair Black -Pack of 2 (2013) Adjustable Height with hydraulic lift. Seat height: 26.1" up to 34.3" Seat Depth: 15.7" Seat width: 15.1" Base size 15.1" across. Weight Limit: 6' 250 Pounds