Blue Marble
National Geographic Professional 3 lb rock tumbler
Three-pound Professional variant with speed and timer control.

Price info
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Use and fit
Choose the three-pound Professional model if you already use a smaller drum and routinely fill it. The package marking distinguishes it from the two-pound Professional and Platinum versions. Verify the manual’s working load and use accessories meant for this exact series.
Specifications
- Brand
- Blue Marble
- Listed model
- NGTUMBLER3LB
- Verified detail
- Three-pound Professional variant with speed and timer control.
Questions before buying
How can I identify the three-pound version?
The retail box shows the three-pound Professional designation. Other Professional and Platinum configurations use two-pound drums.
Compare before you buy
Choose the two-pound Professional if you usually run smaller batches. National Geographic Professional 2 lb rock tumbler