Only 2 of the 5 collets fit the tool, and none of the accessories fit the collets. Can I purchase additional collets that will fit?

The collets are fine. When new they are a little tight but with a little finesse the included bits for very well. The smaller collets are for bits with smaller diameters like 1/16th drill bits and such.

Will it work in a mouth guard?

I bought it to help with the edges of my partial mouth appliance, so if that’s the type of thing you’re looking for then, yes. It’s one-hand-held and small enough to control easily. It has three power levels and many tips.

What size drill bits does this use?

The rotary tool comes with 4 collet sizes（1.6mm，2.3mm，3.0mm，3.2mm) to fits different suitable accessories and it is easily changed

Can I use it to smooth out my toenails?

Yes, it will be very effective.

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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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NEU MASTER Cordless Rotary Tool, 3.7V Mini Rotary Tool Kit With 55pcs Accessories, 3-Speed USB Charging Power Rotary Tool for Sanding, Polishing, Engraving, Drilling and DIY Crafts

NEU MASTER Cordless Rotary Tool, 3.7V Mini Rotary Tool Kit With 55pcs Accessories, 3-Speed USB Charging Power Rotary Tool for Sanding, Polishing, Engraving, Drilling and DIY Crafts

Product ID: 352464403

Details

Brand
NEU MASTER
Color
Green
Power Source
Battery
Recommended Uses For Product
Engraving
Voltage
3.7 volts

⚡3.7V cordless power

🔄3-speed control (5K/10K/15K rpm)

🔋2-hour USB quick charge

Description

🔧 Power your creativity anywhere, anytime — small tool, big impact!

CUSTOMIZABLE SPEED CONTROL - Switch effortlessly between 5,000, 10,000, and 15,000 rpm to match your project’s exact needs.
PRECISION AT YOUR FINGERTIPS - Ultra-lightweight, pen-sized design for ultimate control and reduced fatigue during detailed projects.
COOL CONSISTENT PERFORMANCE - Smart ventilation keeps the motor cool, extending tool life and ensuring steady power for every task.
VERSATILE 55 PIECE ACCESSORY KIT - Everything you need for sanding, polishing, engraving, drilling & more—DIY mastery in one compact set.
CORDLESS FREEDOM WITH USB CHARGING - Charge anywhere, anytime with fast 2-hour USB power-up—no bulky cords, no interruptions.

The NEU MASTER Cordless Rotary Tool is a lightweight, 3.7V rechargeable mini power tool featuring 3 adjustable speeds and a comprehensive 55-piece accessory kit. Designed for precision sanding, polishing, engraving, drilling, and light-duty DIY crafts, it offers cordless convenience with quick USB charging and smart heat dissipation for consistent performance. Ideal for millennial makers seeking portable, versatile tools that fit seamlessly into their creative lifestyle.

Specifications

ASIN	B095KFCXM7
Best Sellers Rank	#543,216 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #530 in Power Rotary Tools
Brand Name	NEU MASTER
Color	Green
Customer Reviews	4.2 4.2 out of 5 stars (993)
Included Components	1 x Cleaning brush, 2 x Drilling + 2 x Polishing, 5 x Collet + 5 x Grilling stone, 6 x Felt wheel, Cordless Rotary Tool
Item Dimensions	6.3 x 4.13 x 1.38 inches
Item Weight	0.2 kg
Manufacturer	NEU MASTER
Manufacturer Part Number	NRT0036-US
Maximum Rotational Speed	15000 rpm
Minimum Speed	5000 rpm
Model Number	NRT0036-US
Number of Batteries	1 Lithium Ion batteries required. (included)
Other Special Features of the Product	Cordless
Power Source	Battery Powered
Recommended Uses For Product	Engraving, Polishing, Sanding, Grinding, Carving, Drilling
Style Name	Cordless,Electronic
Unit Count	1 Count
Voltage	3.7 volts

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