Like all other forms of Ceramic products, the ceramic knobs are breakable. These are loaded with irregular pores that may make these brittle. Therefore, if you buy ceramics from any cheap store then the chances are that the same can have larger pores. As a result, it becomes quite easy to break down. So, whenever any ceramic-based product fall, the crack may initiate in the pores itself.
However, if handled with due care and maintenance, these ceramic knobs can last you for a long time. These have a distinct beauty that will become the cynosure of all eyes. This means that if you use the ceramics, you need to be extremely careful with their usage.