sapphire task chair Lead Time – Stocked – Check with us for availability Warranty – 5 years Dimensions – Seat – 500mmW x 490-530mmD x 450-550mmH Back – 470mmW x 610mmH Weight Balance Synchro Mechanism with 3 Lock Position Full Flexing Ribbed Lumbar Support Seat Depth Slider Full Fire Retardant Mesh High Density Contoured Foam Upholstered Seat 3D Arms – Height, Depth & Angle Adjustment Soft Compound Castors 120kg Weight Rating ANSI/BIFMA X5.1-2017 Certification