This set is used to crush, grind, and mix solid substances
The pestle is a heavy bat-shaped object, the wide-end of which is used for crushing and grinding
The mortar is a bowl, typically made of hard wood, ceramic or stone
Mortars are used in cooking to prepare ingredients such as guacamole, gazpacho and pesto (which derives its name from the pestle pounding), as well as grinding spices into powder