Recommended Weight(lbs): ＜220lbs Tilt Lock: Yes Recommended Height(Inch): ＜6'1" Recline Angle: 135° Caster Wheels: 60mm Caster/PU (W1-09-N0) Upholstery: PU Tilt Mechanism: Conventional Tilt (SP/0201/N) Adjustable Armrest: 2-Directional Gas Lift Specification: 80/10 (G1-07-N0-1) Gas Lift Class: Class 3 Base: 27.5" Nylon Base (B1-18) Adjustable Lumbar Cushion: No Frame Material: Metal Warranty: 2-Year for Accessories, Lifetime for Frame Meets/Exceeds ANSI/BIFMA Standards: Yes Eco-conscious: Less Harsh Chemicals/REACH Certificate Note: Head & Lumbar Pillow Included