All its parts are detachable and the knives can be washed thoroughly with water after use. The chopper blades is detachable, which can better achieve the purpose of cleaning. ????【Easy to Operate】Simply place the vegetables on the blade assembly and pull down the pusher block and you will get 1/4" (0.6 cm) of cut vegetables or fruit from the french fry cutter blades.these chopper blades can greatly produce ingredients in perfect uniform sizes.