Topstar Office Chair Point 60. Recommended use (max.): 4 hours/day. Armrest: height adjustable. Backrest depth height adjustable: yes. Weight capacity (max.): 110 kg. Suitable for: carpets. Mass balance system: no. Backrest continuously height adjustable: yes. Special lumbar support: yes. Continuously tiltable backrest: no. Mechanism type: permanent contact. Base type: plastic star base. Adjustable seat angle: yes. Adjustable backrest: height adjustable. Adjustable seat height (min-max): 400 – 520 mm. Wheels: 5. Self-assembly: yes. Seat depth: 460 mm. Backrest height: 570 mm. Color: black.