This grit is perfect for use with rock tumblers of any brand! take your stones from rough rocks to polished gemstones in just 4 easy tumbling step using National Geographic grit refill (rock tumbler required and sold separately). this product contains 4 stages of grit in easily resealable containers – enough for about 8-10 pounds of rocks. Feel free to contact National Geographic toys on Amazon if you have any addition questions and we’ll be happy to help.
HIGH QUALITY – This kit comes with enough silicon carbide grit to complete approximately 8-10 lbs of rocks.
4 COURSES OF GRIT – Take your stones from rough material to polished gems over a 4-step tumbling process
COMPATIBLE WITH ALL TUMBLERS – Use this grit for tumbling rocks in any brand of rock tumbler. Lortone, Thumler, National Geographic, Elenco, Smithsonian and more!
POLISH ROCKS AND MORE – including quartz, jasper, tiger’s eye, glass and more!
RECOMMENDED USE – We recommend approximately 2 tablespoons of grit per pound of rocks.
Frequently Bought Together
This item: NATIONAL GEOGRAPHIC Grit Refill for Rock Tumbler - Also works with Lortone, Thumler and more$34.99