SPA-64 Jack Rocks for Mixing Wheel are used with Gilson SP-48R Mixing Wheels for mixing of dry materials such as coal or ore. Jack Rocks are reusable, six-sided, and made of 85% zinc and 15% aluminum metals. They are placed in SC-108 Sample Jars with the testing material to speed up the mixing process. Available in a package of 500.
- Can be reused
- Speed up mixing process when placed in a jar with a test sample
- SPA-64 Jack Rocks for Mixing Wheel