Find Grit by Tumbler Brand
Find Grit by Tumbler Brand or Type
Find the grit you need to tumble with this rock chart. You can pick the grit by looking up the name of the name or type of rock tumbler. Click on the link and get exactly the right rock grit kit to use.
| Tumbler Brand | Grit Kit to Use |
| Harbor Freight | Harbor Freight Refill |
| Lortone | Lortone Refill |
| National Geographic | National Geo Refill |
| Smithsonian | Smithsonian Refill |
| Thumler Rotary | Thumler Rotary Refill |
| Thumler Vibratory | Thumler Vibratory Refill |
| Vibratory Generic | Vibratory Refill |
| Exploring Minds | Standard Four Pack |
| Any other brand (3 Pound) | Standard Four Pack |
Using Standard Grit Kits
If you don't see your rock type listed, it may be that the rock is not appropriate for tumbling due to its hardness or softness. Also the rock name may not be listed as it is part of a larger family of rock. If you want a tumbling kit for this rock type then our Standard Grit Kit is a good choice