Is this a tumbler or a grinder?

It is a rotary grinder and polisher for shaping stones by hand, not a barrel tumbler that polishes a batch overnight. You hold each stone against the tool.

What does variable speed give me?

You can run slow for delicate polishing and faster for rough grinding. That control matters most on softer or fragile stones.

What comes in the set?

The grinder plus one set of accessories. Check the accessory list against the bits and wheels you need before buying.

Can it polish large rocks?

It is built for small stones and gems. Large pieces are better handled with a full-size tumbler or a bigger lapidary setup.

Is it good for a beginner?

Yes, if you want to learn shaping and polishing on small stones. Expect a learning curve on pressure and speed.

Electric Gemstone Grinder Set Rock Tumbler

Best price now

$152.46at WalmartChecked Nov 1

Prices are checked against each store and labelled with when.

Visit Walmart

Electric Gemstone Grinder Set Rock Tumbler

Best price now

$152.46at WalmartChecked Nov 1

Prices are checked against each store and labelled with when.

Visit Walmart

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It checks today's price at every store, compares the alternatives and answers in about a minute.

Price facts

Last seen at $152.46 at Walmart on Nov 1.

Our take on the Electric Gemstone Grinder Set Rock Tumbler

A compact benchtop rotary tool set for grinding, shaping and polishing gemstones, rocks and similar small pieces. It runs on variable speed, so you can slow it down for fine polishing and speed it up for rough shaping. The kit bundles the grinder with a set of accessories, so it is ready to use out of the box. It suits hobbyists and lapidary beginners working on small stones at home rather than anyone needing a large-capacity tumbler barrel.

Best forLapidary beginnersHobbyist rock and gem polishingSmall-stone shaping and finishingCrafters working at a bench

Pros

Variable speed suits both rough shaping and fine polishing
Compact benchtop size for a small workspace
Comes with a set of accessories
Handles small stones and gems rather than bulk loads

Cons

Not a barrel tumbler, so no batch tumbling of many stones
Small working size limits larger pieces
Basic ABS and metal build suits light hobby use

Electric Gemstone Grinder Set Rock Tumbler prices at every store

WalmartNew
Availability unknown
$152.46Checked Nov 1
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Electric Gemstone Grinder Set Rock Tumbler price history

Lowest price we've seen: $152.46 on Nov 1 at Walmart. Tracked across 1 store since Nov 1.

About the Electric Gemstone Grinder Set Rock Tumbler

This electric gemstone grinder set is a rock tumbler for polishing gemstones. It is built from ABS plastic and metal. The speed is variable.

The set comes with the grinder and a set of accessories.

Material: ABS + metal
Dimensions: 20.8 × 15.7 × 17 cm
Variable speed: Yes
Recommended use: Polishing
In the box: 1 electric gemstone grinder, 1 set of accessories

Specifications

Is Variable Speed: Y
Rec. Use: Polishing

Questions and answers

Is this a tumbler or a grinder?: It is a rotary grinder and polisher for shaping stones by hand, not a barrel tumbler that polishes a batch overnight. You hold each stone against the tool.
What does variable speed give me?: You can run slow for delicate polishing and faster for rough grinding. That control matters most on softer or fragile stones.
What comes in the set?: The grinder plus one set of accessories. Check the accessory list against the bits and wheels you need before buying.
Can it polish large rocks?: It is built for small stones and gems. Large pieces are better handled with a full-size tumbler or a bigger lapidary setup.
Is it good for a beginner?: Yes, if you want to learn shaping and polishing on small stones. Expect a learning curve on pressure and speed.
Where is the Electric Gemstone Grinder Set Rock Tumbler cheapest?: At Walmart, for $152.46, as of our latest check.