The instrument provides for an accurate index to determine the right period for fruit harvesting. To keep it in a cold store. They can      also monitor the full growth of the fruit. To control The meat is too soft. Before entering the cold storage process. There are two sizes of the Tip: 5/16 inch (8mm diameter) measuring head with slightly tighter and slightly fleshy fruits such as barley, kiwifruit etc. 7/16 in. (11 mm in diameter) head used for fruit with medium texture such as pear, nectar, etc