Boss - BOPB16533CBK Drafting stool features a ribbed seat design to add lavish texture to any office or studio while offering comfortable seating. Pneumatic gas-lift mechanism allows you to quickly adjust your height to accommodate any desk or drafting table. Fancy chrome base with dual-wheel casters allows the chair to roll smoothly for effortless movements. Drafting stool is designed to support up to 275 lb.