W 180, is the ' King of Cashew ' - They are larger in size and very expensive. W 210, are popularly known as ' Jumbo ' nuts. W - 240, it is an attractive grade which is reasonably priced. W 320, are the most popular among cashew kernels and highest in terms of availability, worldwide. W 450, are the smallest and cheapest white whole kernels and hence the favorite among low priced whole grades.
