I do a lot of baking and a normal knife just will not help you to achieve the professional icing look you want. These help you to smoothly put the icing onto a cake or any other type of dessert. I think that these work very well and I like that it comes in a variety of lengths. This helps when you are trying to icing smaller surfaces. This is available on Amazon . I received this product at a discounted rate in exchange for a honest review.