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.