Office Chair Nautilus DPA1435MBSY/ABK. Armrest: Height Adjustable. Back Adjustment: Depth/Height. Back Height Adjustment: Yes. Bearing Capacity (max): 110 kg. Body Balance System: Yes. Chair Seat/Back Covering: Fabric. Chair Type: Ergonomic Office Chair. Colour: Black. Fire Retardant: Yes. Frame Colour: Black. Gliders: No. GS Safety Tested: No. Height Adjustable: Height Adjustable. Height Back Rest: 530 mm. Included in Delivery: 1 x Office Chair. Lumbar Support: Yes. Material: Plastic. Number of Castors: 5. Recommended Use (Max): 8 Hour/Day. Seat Angle Adjustment: Yes. Seat Depth: 490 mm. Seat Depth Adjustment: Yes. Seat Height Adjustment (Maximum): 540 mm. Seat Height Adjustment (Minimum): 440 mm. Seat Width: 520 mm. Self-Assembly: Yes. Stackable: No. Type of Feet: Starbase, Plastic. Width Backrest: 500 mm. Modest, sturdy and reliable, this ergonomic medium back chair is host to a range of features which allow adjustment to suit the user's preference. A medium height contoured backrest with a 3D curvature incorporates lumbar and spine support. A multi-set synchronous mechanism offers back height, back rake, forward seat tilt and seat slide adjustment. It also provides tension control adjustment to allow for the individual's bodyweight and is lockable in the upright position. A sturdy gaslift offers easy seat height adjustment and a large black nylon base fitted with twin wheel castors completes this impressive piece. Modest, sturdy and reliable, this ergonomic medium back chair is host to a range of features which allow adjustment to suit the users preference. A medium height contoured backrest with a 3D curvature incorporates lumbar and spine support. A