The whetstone because of the difficulty of the excavation and treatment is a expensive product.  In simple abrasive without requirements uses it has been replaced by synthetic Chinese products of smoothing. However remains the insuperable abrasive product for blades of quality. The quantities of sale annually do not exceed the 50-70 tons.

Perakis Manufacture occupies 3 persons and makes a turnover of 200.000€ per year.