Material: wood mdf maple walnut..thickness: 3 mm double layer mdf. it is 6 mm thick and 2.5 cm with wooden colored sections and numbers. mechanism: silent clock our products are our own production. they are produced with care in our laser cutting machines. it is produced in a diameter of 40 cm. return conditions: the products must be returned as it arrived you, boxed and packaging undamaged. Improved version for clearer understanding and better search visibility. Suitable for users seeking detailed and reliable product information.