Professional Adjustable Drafting Chair for Standing Desks (48.4"-57.5" Height Range) This versatile drafting chair and tall office chair features a 9-inch gas lift adjustment (48.4"–57.5" total height) that seamlessly adapts to standing desks, sitting desks, and bar-height surfaces. The height-adjustable circular footrest reduces leg pressure and improves circulation, while 2.4" flip-up armrests (90° rotation) enable space-saving storage—perfect for any tall desk chair or tall chair configuration. HEAVY-DUTY 300LB CAPACITY: This high office chair features a Level 3 certified gas lift and reinforced five-star base supporting up to 298 lbs. Smooth-rolling casters work on all floors while maintaining stability. All components meet strict safety standards for reliable daily use in this office drafting chair. 20-MINUTE ASSEMBLY: Includes installation tools, video guide, and paper instructions for quick one-person setup. Technical support is readily available for assembly assistance or ongoing use of your high desk office seating. ERGONOMIC SUPPORT SYSTEM: Features 1.8" vertical lumbar adjustment and 120° recline tension control for personalized back comfort. The adjustable footrest ring promotes healthy posture during extended sitting sessions in this ergonomic tall office chair. BREATHABLE MESH & DENSE FOAM SEAT: Durable black mesh back promotes airflow while the high-density foam seat with waterfall edge relieves pressure and conforms to your body's curves for lasting comfort. This drafting chair adapts to your workflow and supports all-day productivity. [["ADJUSTABLE DRAFTING CHAIR FOR ","This tall office chair features 9\" gas lift adjustment (48.4\"–57.5\" total height) with a height-adjustable circular footrest, perfect for standing desks, sitting desks, and bars. The 2.4\" height-adjustable armrests flip up 90° for space-saving storage."],["HEAVY DUTY 300LB CAPACITY","TUV Level 3 certified gas lift and reinforced five-star base support up to 300 lbs. Smooth-rolling casters work on all floors while maintaining stability. All components meet strict safety standards for reliable daily use in this high drafting chair and tall computer chair."],["20-MINUTE ASSEMBLY FOR ANY OFF"," Installation tools, video guide, and paper instructions are included for quick 20-minute setup by one person. Technical support is available for any questions or assistance you may need during assembly or use of this desk chair."],["ERGONOMIC HIGH OFFICE CHAIR WI","The adjustable footrest ring helps reduce leg pressure and improve circulation. This tall office chair also includes 1.8\" vertical lumbar adjustment and 120° recline tension control for personalized back support throughout long workdays."],["BREATHABLE MESH TALL OFFICE CH","Durable black mesh back promotes airflow while the comfotable seat uses high-density foam with a waterfall edge to relieve pressure. The supportive design fits your body's curves, providing lasting comfort during extended sitting in any drafting chair or tall computer chair configuration."]] mainColor : Black mainMaterial : Nylon