360 Swivel - Gas Lift - Anti Scratch - Acrylic Seat Chrome Base Adjustable Height 360 Swivel Floor Protector Seat Height Adjustable 60cm-80cm Max Overall Height 86cm Seat Width 40cm Internal Seat Depth 33cm Internal Backrest Height 26cm Max Overall Seat Depth 38cm Allen Key Included for Assembly Features: Swivel, Gas Lift, Gloss Finish Seat Width 40cm