The Wiggins Drafting Stool is great for architects and designers, laboratory workers or reception areas. It offers ergonomic features for all day comfort including a swiveling, adjustable height seat, adjustable-height black nylon armrests and an adjustable-height chrome metal footring. This modern task stool has a black nylon base with five dual wheel casters for mobility, a locking back angle adjustment and CA117 fire retardant foam for safety and a perforated back for increased air circulation. Supports up to 250 lbs.