Choosing the correct grit for you project is really important to get the best results. You can either pick the correct grit based on the type of tumbler you have or you can pick the correct grit based on the type of rock or tumbling project you are doing.
We have created two charts which give you choice for finding the best Rock tumbling grit kit.
You can use the select grit by tumbler chart.
Or you can use the select grit by rock type or project chart.