This Kuchenprofi Julienne Cutter Set has three interchangable blades which allows you to cut Julienne strips as thin as spaghetti or to cut normal thickness Julienne strips or to cut slices. It is suitable for all firm vegetables including courgettes, carrots, aubergines, giant radishes, potatoes etc. The blades are 4.5cm/1.8in long and are made from extra hard special steel. The cutter is 19.5cm/7.7in long with the metal parts being made from stainless steel. It is dishwasher safe and has a 5 year guarantee from Kuchenprofi.