Realspace Operator Chair Vienna Fire. Retardant: Yes. Type of Feet: Starbase, Plastic. Number of Castors: 5. Material: Mesh, Fabric. Material of Cover: Mesh, Fabric. Type of Mechanism: Basic Tilt. Included in Delivery: 1 x Operator Chair. Seat Height Adjustment: Yes. Self-Assembly: Yes. Bearing Capacity (max): 110 kg. Seat Width: 460 mm. Seat Depth: 460 mm. Height Back Rest: 590 mm. Seat Height Adjustment (Maximum): 530 mm. Seat Height Adjustment (Minimum): 455 mm. Permanent Contact: Yes. Lockable Armrest (Optional): Yes. Armrest: Height Adjustable. Frame Colour: Black. Dimensions: 1035 x 675 x 670 mm (H x W x D). Colour: Black.