Cashew Kernels are graded into white/scorched wholes , pieces, splits, butts etc.. depending on the shape, size & colour of the kernel.
W - 180, is the ' King of Cashew ' - They are larger in size and very expensive.
W - 210, is 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.