The Brewer Pneumatic Stool with Backrest features a 5-legged base, 16-inch round seat cushion, and 360 degree circular ring adjustment.

• 4″ poly-foam seat cushion for maximum comfort

• 16″ wide seat cushion

• 21″ five leg ABS black base

• 2″ dual wheel casters

• Backrest Dims: roughly 16″ W x 10″ H

• Adjustable height range: 21″ – 28.5″ (measured from floor to highest point of seat)

• 360-degree ring height adjustment

• Cylinder height range: 20-26″

• 250 lb capacity

• 5-year warranty