Perfect Position. You are always sitting in the right position with this comfortable piano stool. The round seating area and heavy duty imitation leather cover with a diameter of 350 mm provide extraordinary seating comfort. The height adjustment is variable thanks to an integrated pneumatic spring. The lever is located under the seat and is easy to operate. The settings vary from 470 and 600 mm. Seat dimensions: 350 x 350 mm. Weight: 6,31 kg. Colour: Black.