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$15.97Other options: $16.10 to $25.78

ℹ️ Final price is set on AliExpress – during sales (e.g. SuperDeals) it is often lower.

5% above the 32-day averagetracked $49.73 · avg $47.57 · low $44.27 · checked 29 Oct 🛒 Buy on AliExpress →

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$15.97

3.7V Cordless Electric Engraving Pen and Mini Rotary Drill Tool Set with Case

Name: 3.7V Cordless Electric Engraving Pen and Mini Rotary Drill Tool Set with Case
Brand: dutoofree
SKU: 1005002790761322
Price: 15.97 USD
Availability: InStock

98.5% positive feedback26 reviews 45 sold recently🏷️ dutoofree🏬 Sold by Shop120565 Store

AliExpress buyer rating

The percentage shows how many AliExpress buyers rated this product positively. InstaShop does not edit or filter the rating.

✅ Lightweight pen-shaped design for high precision and control
✅ Cordless operation with a convenient wireless charging stand
✅ Portable storage box keeps accessories and tool organized

👤 This tool suits hobbyists and crafters performing light engraving, jewelry making, or delicate DIY projects.

Price updated 29 Oct 2026

Price range by option: $16.10 – $25.78

Choose an option (5)

Options (5):

ℹ️ Final price per option is set on AliExpress.

This versatile 3.7V cordless rotary drill pen makes detailed engraving and drilling effortless. Complete with a convenient storage box, it is the perfect tool for crafters and hobbyists tackling delicate DIY projects. Enjoy smooth precision and portability for all your creative needs.

📋 Full specs, sizes, materials & detailed description - on the AliExpress product page →

🌍 International price: $15.97 (AliExpress's international listing). Shipping and any import taxes are shown at checkout. Details

Price historyLowest $14.22 (6.10) · full chart ↓

💡 Why buy · InstaShop analysis

👤 Best for: This tool suits hobbyists and crafters performing light engraving, jewelry making, or delicate DIY projects.

🚫 Less suitable for: It is less suitable for professional contractors or those needing to drill through hard metals and thick wood.

🔎 Check before buying: Check the supported shank diameters (collet size) to ensure compatibility with your existing drill bits and accessories.

💰 Is the price good? Fair price, with a 35% discount.

Good to know:

3.7V motor provides limited torque for demanding tasks
Battery life may be insufficient for long, continuous work sessions

⭐ Quality & trust: 98.5% positive feedback from 26 AliExpress buyer reviews. Updated daily.

🚚 Tracked shipping · 🔒 AliExpress Buyer Protection · Shipping, customs & returns →

What AliExpress buyers say

98.5%

positive feedback

26 reviews · 45 sold recently

The data comes from AliExpress and is updated daily. Full reviews, including buyer photos, are on the AliExpress product page.

See reviews on AliExpress →

InstaShop is a catalog that links to AliExpress. Purchase, shipping and warranty are provided solely by the AliExpress seller; some links are affiliate links (the price to you doesn't change). Terms of Use

📈 Price history: is the discount real?

Typical price

Based on InstaShop's daily price tracking on AliExpress since 28.9.2026 · 32 measurements

Today's price

$15.97

checked 29.10

Lowest

$14.22

6.10

Average · 32 measurements

$15.28

28.9–29.10

We have tracked this product's price for 32 days, since 28.9.2026. The lowest was $14.22 (on 6.10.2026), the average $15.28 and the highest $16.14. Today's price, $15.97, is 5% above the average.

All 32 measurements as a table

Date	Price	Change
29.10.2026	$15.97	↑ $0.06
28.10.2026	$15.91	↓ $0.23
27.10.2026	$16.14	↑ $0.03
26.10.2026	$16.11	–
25.10.2026	$16.11	–
24.10.2026	$16.11	↑ $0.12
23.10.2026	$15.99	–
22.10.2026	$15.99	↓ $0.05
21.10.2026	$16.04	–
20.10.2026	$16.04	↑ $0.03
19.10.2026	$16.01	–
18.10.2026	$16.01	–
17.10.2026	$16.01	↑ $1.44
16.10.2026	$14.57	↑ $0.15
15.10.2026	$14.42	↓ $0.04
14.10.2026	$14.46	↑ $0.06
13.10.2026	$14.40	↓ $1.43
12.10.2026	$15.83	–
11.10.2026	$15.83	–
10.10.2026	$15.83	↑ $0.94
9.10.2026	$14.89	↑ $0.10
8.10.2026	$14.79	↑ $0.44
7.10.2026	$14.35	↑ $0.13
6.10.2026	$14.22	↓ $0.25
5.10.2026	$14.47	–
4.10.2026	$14.47	–
3.10.2026	$14.47	↑ $0.04
2.10.2026	$14.43	–
1.10.2026	$14.43	↓ $0.49
30.9.2026	$14.92	↑ $0.11
29.9.2026	$14.81	–
28.9.2026	$14.81	–

The final price is set by AliExpress. · How we check fake discounts

🧾 From our price tracking

Price now: $15.97 · 5% above usual (average $15.28)
Last 30 days: low $14.22 · average $15.31
Tracked since: 28.9.2026 · 32 daily checks
Lowest price: $14.22 (6.10.2026)
Price drops: 4 times
At the current price: 2 days ($15.97)
Listed discount: 35% - not real: the "original" price was never charged while we tracked it

Real data only: one price check per day on AliExpress, international listing, in US$.

🔍 In-depth analysis

This compact, cordless precision drill is designed for hobbyists and DIY enthusiasts who require a maneuverable tool for intricate tasks. Its primary appeal lies in the rechargeable, wire-free design, which allows for greater freedom of movement during delicate engraving or light drilling projects where a standard power tool would be too cumbersome. With a very high buyer rating from several dozen initial users, the tool appears to be meeting expectations for those working on small-scale crafts or minor household repairs.

While the listing emphasizes precision and portability, it is important to treat this as a light-duty instrument. The lack of specific technical metrics in the primary description means buyers should approach it as a specialized tool for detail work rather than a replacement for high-torque workshop equipment. The current discount makes it an accessible entry point for those looking to add a dedicated engraving or precision tool to their kit without a massive investment.

✅ Pros

Cordless design provides excellent maneuverability for high-detail engraving and precision tasks.
High buyer satisfaction ratings suggest the build quality and performance align well with user expectations.
Rechargeable functionality offers convenience and long-term savings over disposable battery-powered alternatives.
Compact form factor is easy to store and comfortable for users with smaller hands or those performing long sessions of detail work.

Cons and cautions

Limited torque prevents use on heavy-duty materials or large-scale projects.
The absence of detailed technical specifications in the listing requires buyers to message the seller for clarification.
Moderate order history means long-term reliability reports are still accumulating.

From our data

Few written reviews (26), so the rating rests on a small sample
5 variants on one listing: price and spec change with the option you pick
Price moved between $14.22 and $16.14 since 28 Sep (32 tracked days)

This analysis is written with an AI model from the product data (name, category, price, rating and orders), not from a hands-on test. How we choose and score

Who it's for: This tool is ideal for crafters, jewelry makers, and hobbyists who work primarily with soft materials like wood, plastic, or thin metals. It is a great fit for anyone needing a lightweight, portable solution for detailed engraving or small-scale electronics work.

Who should skip it: It is not suitable for heavy-duty construction, drilling into thick steel, or masonry. Professionals who require high torque and long continuous runtimes will find this mini-drill lacks the power necessary for industrial-scale projects.

🔎 Check before you buy

Confirm the exact battery capacity in mAh and the expected runtime on a full charge with the seller.
Verify the maximum RPM and whether the device features adjustable speed settings.
Ask the seller for a full list of included accessories and whether the collet size is compatible with standard bits.
Check if the charging interface is a standard USB-C port or a proprietary cable.

💰 Value verdict: Considering the high rating and the current discount, this tool represents a fair value for niche applications. It is priced appropriately for a hobby-grade device. If you need a secondary tool for fine-tuning projects or engraving, the positive feedback from existing owners makes this a relatively safe and cost-effective choice.

💡 Tips

Always start at the lowest speed setting when working on delicate plastics to prevent heat buildup and melting.
Avoid applying heavy downward pressure; let the rotation speed do the work to prevent stalling the motor.
Store the device in a dry environment and keep the ventilation ports clear of dust to extend the motor's lifespan.

Questions about this product

Can this drill be used for professional dental or medical work?

No, this is a hobbyist tool intended for DIY and crafts; it does not have the necessary certifications for medical or professional use.

How do I know when the battery is fully charged?

The listing does not specify a charging indicator, so you should verify with the seller if there is an LED light that changes color when the battery is full.

Is the motor powerful enough for drilling through hardwood?

While it can handle light tasks, the torque is limited. For hardwood, you should check the RPM specifications with the seller to ensure it won't stall under resistance.

❓ Questions & Answers

What does it cost in US dollars?

$15.97 - AliExpress's international price at our latest check (29.10.2026). The exact amount in your currency, with shipping, is shown at AliExpress checkout.

Shipping and import taxes to my country?

Delivery to your address, its cost and time depend on the seller and your country; import duty/VAT depends on your country's rules (in the EU, the UK and Australia VAT/GST is usually collected at AliExpress checkout). All of it is shown before you pay.

Is this price tracked?

Yes. We have checked this listing's price 32 times since 28.9.2026 - see the price history and the tracking facts on this page.

Shipping, import taxes, returns & Buyer Protection - full answers →