These pliers are much stronger than any other because they make a limited movement between the blades.
 
They can easily cut very hard materials between 9.10 and 11 mm.
 
Common mosaic pliers make large movements between the blades and lose power.
 
Normal pliers have 3 times less power.
 
Bestia is the best solution for cutting very hard or thick materials, it is precise on stones and enamels.
 
It does not cut below 8 mm thickness.