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🪨 Transform your stones, transform your space — polish like a pro!
The NATIONAL GEOGRAPHIC Rock Tumbler Grit and Polish Refill Kit offers a premium 4-stage silicon carbide grit system designed to polish up to 20 lbs. of rocks, gems, and glass. Compatible with all tumblers, it comes in easy-to-use wide-mouth containers and includes a grit scoop and instructions. Trusted by STEM enthusiasts and backed by award-winning Blue Marble, this kit elevates your rock tumbling experience with professional-grade results.
| ASIN | B01MRKI4W0 |
| Age Range Description | 14 years and up |
| Best Sellers Rank | #2,411 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #1 in Tumbling Media |
| Brand Name | Blue Marble |
| Color | Black |
| Customer Reviews | 4.7 out of 5 stars 14,500 Reviews |
| Educational Objective | STEM |
| Global Trade Identification Number | 00816448020636 |
| Included Components | 4 Stages of Rock Polishing Grit, 10 mL Grit Scoop, Rock Tumbling Instructions |
| Item Dimensions | 5.5 x 5.5 x 4.25 inches |
| Item Type Name | Rock Polishing Grit Media |
| Item Weight | 1.78 kg |
| Manufacturer | JMW Sales, Inc. |
| Manufacturer Part Number | NGBULKGRIT |
| Manufacturer Warranty Description | We're proud to make the highest quality products which are backed by exceptional service. |
| Manufacturer recommended age | 14 years and up |
| Material Type | Silicone |
| Model Number | NGBULKGRIT |
| Number of Packs | 4 |
| Number of Players | 1 |
| Operation Mode | Manual |
| Set Name | Rock Tumbler Grit Refill Kit |
| Size | One Size |
| Sub Brand | NATIONAL GEOGRAPHIC |
| Supported Battery Types | No batteries required |
| Theme | Rock Tumbling |
| UPC | 816448020636 |
| Unit Count | 1 Count |
B**F
ROCK ON!
Let me spill the gems on a rock-solid addition to my lapidary adventures – the NATIONAL GEOGRAPHIC Rock Tumbler Grit and Polish Refill Kit. As a self-proclaimed rock enthusiast, this kit has truly rocked my world, giving my gemstones the shine they deserve. What's crystal clear about this refill kit is its top-notch quality. Packed with premium grit and polish, it's like giving your rocks a spa day. Whether I'm polishing up some quartz or tumbling some jasper, this kit ensures that my gemstones shine bright like a diamond. Using the NATIONAL GEOGRAPHIC Rock Tumbler Refill Kit is a gem of an experience. Its easy-to-follow instructions make it a breeze to use, and the results speak for themselves – my stones come out looking so polished, they could rival any jewel in the crown jewels. Since I started using this refill kit, my rock tumbling game has gone from pebble to precious stone. Whether I'm crafting jewelry or just adding some sparkle to my collection, the NATIONAL GEOGRAPHIC Rock Tumbler Refill Kit is my go-to for achieving that rockstar shine. In summary, if you're a rock enthusiast looking to add some sparkle to your collection, the NATIONAL GEOGRAPHIC Rock Tumbler Grit and Polish Refill Kit is a gem of a find. With its top-quality materials and stunning results, it's sure to rock your world.
S**Y
This works great
Works great.We took our granddaughter to a gem mine.She couldn't wait to get home and put in the tumbler.
T**A
This product keeps alive the interest for a young geologist
This was a present for an aspiring junior geologist, and it provided ample supplies for the next polishing project.
C**Y
It works
It works
B**E
Just he grit he needed
Works well in the tumbler.
T**R
Rock tumbler
This was a christmas gift for a gem stone collector. She seemed to be happy with it.
M**2
👍👍
Tumbling rocks has been such a fun activity with my kids.
S**S
love
love
F**M
Helps Poshing
It helps shaping stones too..it is a little sound and I'm living 2floor so I put a box on it to make the noise more silent
J**M
Scheint gut zu funktionieren
Artikel wie beschrieben, gute Transportverpackung, gerne wieder
A**X
Muy satisfecha
El proceso de pulir piedras es algo largo, pero el producto hace su labor. Viene suficiente cantidad para varias tandas y es muy sencillo de usar, ya que cada paso esta numerado.
K**M
Perfect size for the rock tumbler!
Exactly what I needed, more grit for my tumbler! I recently got some of my own beach rocks; quartz and serpentine, possibly some granite, and I needed these to tumble away! Good size, easy to use, functions as it should, measuring spoon and instructions made it easy to use. Think this is probably fun for kids, but definitely is for adults!
V**Z
Good product
As advertised
Trustpilot
2 weeks ago
2 weeks ago