Use this extra cutting blade on the Graef Master cutting machines. The knife has a diameter of 17 cm, is made of high quality stainless steel, extra hollow and has a serrated cut. This makes the knife particularly suitable for cutting bread and vegetables, for example. This makes your Graef cutting machine even more versatile. In addition to the Master M9, this knife is also suitable for Master 172/182/183/186/188, DA176T, Zentro Z1 / Z5 and CH2.