The omniblend auxiliary mortar has a capacity of 1.5 liters and is made of high-strength polycarbonate plastic, resistant to impact and high temperatures of 120 degrees Celsius. To meet the strict requirements of the US and European markets, the materials used to make the mortar The grinder also meets a very important standard: BPA FREE, not harmful to human health, recognized by reputable organizations such as European Commission For Food Safety, FDA, Underwriters Laboratory. Another outstanding feature of this mill design is that it can grind 1 Cup very effectively, without sticking to the wall of the mill like most other conventional mills.