Barcelona Deluxe Black Leather Operator ChairBarcelona Deluxe Black Leather Operator Chair Designers created a posture chair classic when they engineered Barcelona. Highly functional with more movements than a Swiss watch Barcelona guarantees owner appreciation. Sumptuous black leather upholstery Height adjusting three dimensional arms Ratchet height adjustment on backrest Integral lumbar pad Independent adjustment for seat, back and tilt movement Positive forward seat tilt option Seat slide