Mortar for crushing spices, herbs, preparing pesto. Material: cast iron. Cast iron is specific for maintenance, before and after use it is MANDATORY to treat the surface with edible oil to prevent rust. Do not leave in damp conditions! Dimensions: dia. 10.5 cm, h. 9 cm, pestle l. 17 cm. Not suitable for dishwashers. Do not use organic acids such as vinegar.