Multi-purpose ergonomic task chair with low back (available with or without optional armrests), 5-way black nylon base with castors, high density foam seat & low back are upholstered (choose from black bonded leather, black factory fabric, charcoal factory fabric, or fabric or vinyl of your choice), plastic outer back, back height adjustment, gas height adjustment, seat adjustment, back rake adjustment, back lockable in all positions, back free float aids correct lumbar support, 120kg weight capacity, AFRDI approved, 5 year manufacturer's warranty