Description
Reviews
| Brand | - |
| Category | Hardware & Tools / Electric Grinder |
| Origin | - |
| Power Source | Rechargeable Lithium Battery |
| Speed Range | 3,000 - 20,000 RPM |
| Chuck Size | 0.5mm - 3.2mm |
| Weight | 180 grams |
| Material | ABS Plastic and Aluminum Alloy |
| Included Accessories | 6 Polishing Bits, 2 Grinding Heads, USB Cable |
| Noise Level | Low Noise ( |
| Ergonomics | Pen-style Grip for Precision |
| Battery Life | Approx. 90 Minutes Continuous Use |
| Ideal Application | Jade Polishing, Wood Carving, DIY Crafts |
Anonymous
Mar 29, 2026
Rating: 5/5
Perfect for detailed jade work
I bought this specifically for polishing small jade pendants and it works beautifully. The variable speed control is smooth, allowing me to start slow without damaging the stone. Highly recommended for hobbyists.
Anonymous
Mar 28, 2026
Rating: 4/5
Versatile mini drill
Used it for both wood carving and cleaning up metal edges. It switches between tasks easily. The chuck holds the bits securely. Just make sure to wear safety glasses as it spins fast!
Anonymous
Mar 27, 2026
Rating: 3/5
Good for beginners, not for heavy duty
It's a solid entry-level tool for cultural play and light crafting. However, if you try to grind very hard materials for extended periods, the motor gets warm. Stick to its intended limits and it's fine.
Anonymous
Mar 21, 2026
Rating: 5/5
Excellent precision for the price
As someone who does intricate carving, I need tools that don't vibrate too much. This mini drill is surprisingly stable. The included bits are decent quality, though I eventually upgraded to diamond tips for harder gems.
Anonymous
Mar 19, 2026
Rating: 4/5
Great little tool, battery could be better
The grinder is very lightweight and easy to hold for long periods. It handles wood and soft stones well. My only complaint is that the battery drains a bit faster than expected on high speed, but it charges quickly.
Anonymous
Mar 15, 2026
Rating: 5/5
Compact and powerful enough
I love how small this is; it fits right in my palm. It made polishing my handmade beads so much easier than doing it by hand. The pen-style grip gives you total control over the angle.
Q: Can this grinder be used while it is charging?
A: For safety and battery longevity, we recommend using the device only when it is fully charged or disconnected from the power source. Do not operate while plugged into the USB charger.
Q: Is there a lock button to keep the speed constant without holding the trigger?
A: This model features a slide switch for continuous operation at a set speed, so you do not need to constantly press a trigger. You can adjust the speed dial before locking it on.
Q: Are replacement bits available if the included ones wear out?
A: Yes, this unit uses a standard 0.5mm to 3.2mm collet, so it is compatible with most universal rotary tool accessories available at hardware or craft stores.
Q: What is the maximum hardness of stone this can polish?
A: This tool is designed for soft to medium-hard stones like jade, soapstone, and turquoise. While it can touch harder materials with the right diamond bits, prolonged use on very hard gems like diamonds or sapphires is not recommended.
Q: How long does it take to fully charge the battery?
A: A full charge typically takes about 60 to 90 minutes using the included USB cable and a standard 5V/1A adapter.
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