Rock Polishing Tools

Blue Marble

National Geographic four-stage bulk grit refill

Four-stage NGBULKGRIT refill with separately labeled containers.

Four numbered National Geographic grit containers and a scoop.
$24.99Nov 9, 26, 03:20 PM · New York
Price info

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Use and fit

Buy this refill if you have the machine and stones and need to restock all four stages. Use the labels to keep coarse, medium, pre-polish and final polish separate. The stone weight stated on the offer describes the batches the kit is intended to process, so compare actual pack weights if shopping by quantity of powder.

Specifications

Brand
Blue Marble
Listed model
NGBULKGRIT
Verified detail
Four-stage NGBULKGRIT refill with separately labeled containers.

Questions before buying

What does the stone weight on the package mean?

It refers to the amount of stone the kit is intended to process. Check the individual jars if comparing the actual quantity of abrasive.

Compare before you buy

The media kit adds ceramic filler and GemFoam for a buyer who needs those accessories. National Geographic grit, ceramic media and GemFoam kit

Choose rock tumbling grit by stage

Rock tumbling grit by grade