Back and seat; Metal frame, 45-50 DNS (kg /m3) polyurethane foam flooring. Mechanism; single lever, height-adjustable fixed mechanism. Foot; Ø70 cm aluminum star foot. Wheel; Suitable for soft ground with a diameter of 60 mm. Shock absorber; Class 4 shock absorber, height adjustable, shock absorber in accordance with DIN European quality standards
