Oyster sorting tumbler is mainly used to grade and tumbler your oysters. After the combination of experience and research, we come up with the high efficient and low maintenance machine. The whole machine is made of heavy gauge aluminum so that it is light weight. We utilize the newest technology to make up for the limitations of other sorting machines. So the oyster sorting tumbler can give you a big help in sorting your oysters and I am sure you can benefit a lot from the perfect machine. We can offer you various sizes of sorting tubes to sieve different sizes of oysters.