Regular Stock

Rock tumbling, Lortone, silicon carbide and aluminum oxide, white and grey, coarse / fine / pre-polish / polish compound. Sold per 4-piece set.


  • 1 - 14
    37.84
  • 15 - 49
    36.83
  • 50 - 99
    35.88
  • 100+
    35.27
As Low As $35.27 per set
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More Details.

Item Number: H20-3968BS Have a question about this item?

Get a professional, high-gloss finish with the Lortone 4-step tumbler grit set. Use with the Lortone Model 3A Rotary Tumbler to create a quality polish on hard stones at a low cost.

Set includes enough material to polish up 12 pounds of rock:

Step 1 - Coarse (1-pound, 60/90 grit silicon carbide)
Use for initial grinding and shaping of rough stone.

Step 2 - Medium/Fine (14 ounces, 120/220 grit silicon carbide)
Use for smoothing stone surface after initial shaping.

Step 3 - Pre-Polish (12 ounces, aluminum oxide)
Use to prepare stones for final polishing.

Step 4 - Polish (11 ounces, ultra-fine aluminum oxide)
Use for final polishing on pre-polished stones.

Made in the USA

Product-Related Information

Tumbling and Polishing Jewelry and Stones with a Tumbler how-to video
View the MSDS information.

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