Did you know that there are special stores all over the world that make a fortune out of selling cabinet knobs? One may even find the same thing on the Internet with web sites selling just this one product. As you can imagine their popularity became something like: Im only buying cabinet knobs from X. A large variety of models to choose from is created. There are some models that have hundreds of colors or minor design changes (ie: 0.5 cm. longer or one extra line on a side) that make a difference. Some cabinet knobs were never even sold.
Most doors come with a door knob. Just like that all cabinets come with included knobs. Why change them you might ask! There are several possible answers. First of all, the most common one stands in design. You might just not like it. In this case you can go to a specialized store and ask for cabinet knobs that can suit your needs. The only real problem that appears is that you can not take the cabinet with you so you do not know whether it will be good or not. One thing also needs to be taken into consideration once in the situation. If you fail to take measurements you might just have to guess. It is hard to guess and this can quickly...