# xTool Selected EMG21 Cordless Engraving Pen, 5-Speed, 40 Bits Bits: The xTool Selected EMG21 engraving pen is a rechargeable cordless rotary tool for engraving, cutting, grinding, polishing, and drilling. Its five speed settings span 12,000–25,000 RPM, and the listing describes a broad selection of attachments for craft and personalization work. - [Original product page](https://best-deals.pro/product/xtool-selected-emg21-cordless-engraving-pen) - [View offer](https://best-deals.pro/visit/xtool-selected-emg21-cordless-engraving-pen) - Market: US - Language: en-US - Currency: USD - Brand: xTool Selected - Model: EMG21 - Price: 49.99 USD - Previous price: 59.99 USD - Discount: 17% - Price checked: 2026-11-14T05:41:12.832Z - Rating: 4.2 / 5 - Reviews: 178 Prices and deal status are the latest recorded data, not a guarantee of availability. Confirm the price and availability with the store. ## At a glance - Five listed speed settings cover a range from 12,000 to 25,000 RPM. - Cordless rechargeable design is described as supporting pass-through use while charging. - Four LEDs around the tip are intended to illuminate the work area. - The listing describes a kit of burrs, bits, polishing heads, drills, and saw blades. ## Pros - Cordless operation and pass-through charging give flexibility at a workbench or away from an outlet. - The supplied attachments are described for several tasks, including engraving, polishing, grinding, drilling, and cutting. - The listing specifies five speeds, allowing adjustment for different projects. ## Specifications ### Identity - Brand: xTool Selected - Model: EMG21 ### Dimensions - Dimensions listed: 8.66 x 4.13 x 1.38 inches ### Performance - Minimum speed: 12000 rpm - Maximum rotational speed: 25000 rpm ### Operation and uses - Special features: Cordless, Lightweight, Rechargeable - Recommended uses: Carving, Cutting, Grinding, Polishing - Color: Grey ## Before you buy - The title says 40 bits, while feature copy calls the kit 42-in-1 and the included-components list names attachments without giving a complete total. Confirm the selected listing's exact kit contents and item count. Manufacturer descriptions also claim engraving across many surfaces, but suitability can vary by material and attachment. ## In the box - 24 diamond burrs (Included) - 3 tungsten-steel bits (Included) - Wool heads (Included) - Rubber heads (Included) - Grinding heads (Included) - Twist drills (Included) - Saw blades (Included) ## A good fit for - Crafters and hobbyists seeking a cordless pen-style tool for small engraving and personalization projects. - Users who want a rotary tool with listed attachments for polishing, grinding, drilling, and cutting as well as engraving. ## Less suited to - Buyers who need a clearly confirmed accessory count or a precisely itemized complete kit before ordering. - Users whose work depends on established durability or reliability, since customer feedback is mixed on those points. ## Customer feedback Customer feedback highlights versatility, accessories, and battery life as positives. Reports about quality, reliability, and durability are mixed, including reports of early failure. For occasional craft work, the cordless design and multi-purpose attachment set may be useful, but buyers planning frequent use should weigh the mixed longevity feedback. - Positive themes: Customers describe the tool as versatile and report long battery life and a generous set of accessories. - Negative themes: Some customers report that the tool stopped working within a day or less than 24 hours. - Mixed feedback: Feedback on quality, reliability, and durability is mixed, with both favorable performance reports and reports of early failure. ## Frequently asked questions ### What speed range does the EMG21 list? The listed minimum speed is 12,000 rpm and the maximum rotational speed is 25,000 rpm. The feature description calls this a five-speed motor. ### What attachments are listed? The contents description names 24 diamond burrs, 3 tungsten-steel bits, wool heads, rubber heads, grinding heads, twist drills, and saw blades. The title's 40-bit count conflicts with feature copy calling the set 42-in-1, so verify the exact kit for the selected listing. ### Can it be used while charging? The manufacturer description says the rechargeable tool supports pass-through use, allowing charging and engraving at the same time. ## Alternative options - [Resparked Customizer Engraving Pen Ultimate Cordless Portable Tool for Artists & DIYers - Engrave 50+ Surfaces - Beginner Friendly - Rechargeable - Free 30 Bits & Mastery Guide](https://best-deals.pro/visit/xtool-selected-emg21-cordless-engraving-pen) - [AlgoLaser Cordless Engraving Pen Kit - 35 Speed - 35,000 RPM Motor, 46 Bits \| 1000mAh battery with 4–5 hours of runtime on Metal, LCD Screen, USB-C Charging, Forward/Reverse Rotation, Wood, Glass & More](https://best-deals.pro/visit/xtool-selected-emg21-cordless-engraving-pen) - [AM ARROWMAX Mini Engraving Pen: Ultimate Cordless Portable Tool for Artists & DIYers - Engrave 50+ Surfaces - Beginner Friendly - Engraving Pen for Bead, Metal, Wood, Glass and Plastic](https://best-deals.pro/visit/xtool-selected-emg21-cordless-engraving-pen) - [AM ARROWMAX Mini Cordless Rotary Tool Kit, 5 Speed, 30000 RPM, 42 Bits \| Engraving Pen with Aluminum Case, for 3D Printer Sanding, Polishing, Drilling, Carving, DIY Crafts, Type-C Charging Port](https://best-deals.pro/visit/xtool-selected-emg21-cordless-engraving-pen) - [ARROWSPACE Engraving Pen, 30000RPM, Engraver Tool with 39 Bits,OLED Display \| Forward/Reverse Rotation, Carbon Fiber body, CNC Aluminum Case, Cordless Rotary Tool Kit for Metal, Wood, Glass, Jewelry](https://best-deals.pro/visit/xtool-selected-emg21-cordless-engraving-pen) - [xTool Selected Engraving Pen, 42-in-1 Tool Kit, Cordless Engraver and Rotary Tool Kit for Metal Wood Glass Plastic, Large Capacity Engraving tool, Craft Multi-function Glass Etching Kit, Mini Sander](https://best-deals.pro/visit/xtool-selected-emg21-cordless-engraving-pen) - [xTool M2 10W Laser Engraver, Built-in Dual Cameras, Class 1 Enclosed Safe Laser Engraving Machine for Home DIY Craft on Wood, Leather, Felt, Fabric, Paper](https://best-deals.pro/visit/xtool-selected-emg21-cordless-engraving-pen) - [LaserPecker Dual-Laser Engraver, Portable 8K 240,000mm/min Engraving, Auto-Switch IR/Diode for Metal/Wood/Acrylic, Smart Screen Repeat & 160x120mm Area, Basic Set](https://best-deals.pro/visit/xtool-selected-emg21-cordless-engraving-pen) - [LONGER Ray5 Laser Engraver and Cutter Machine,20W Laser Engraver, 400×365mm \| 24000mm/min, 3.5" Touch Screen, Offline Use, CNC DIY Laser Engraving Machine for Wood, Metal, Leather, Acrylic & Glass](https://best-deals.pro/visit/xtool-selected-emg21-cordless-engraving-pen) - [xTool F2 5W IR & 15W Diode Dual Laser Engraver, Built-in 50MP Camera, 6000mm/s Ultra Fast, 3D Embossing, Color Marking on Metal, On-Site & Small-Batch Ready, Portable Desktop Laser Engraving Machine](https://best-deals.pro/visit/xtool-selected-emg21-cordless-engraving-pen) - [SketchPro Engraver: Cordless LED Engraving Pen for Wood Metal Glass Leather](https://best-deals.pro/visit/xtool-selected-emg21-cordless-engraving-pen) - [Electric Engraving Pen,Cordless Portable Engraving Pen,3-Speed Adjust,Beginner Friendly,Engrave 50+Surfaces-Professional Rechargeable Rotary Tools for Artists and DIYers-Free 30 Bits \(Blue\)](https://best-deals.pro/visit/xtool-selected-emg21-cordless-engraving-pen) ## Add-ons - [xTool Selected 52-in-1 Mini Electric Screwdriver and Drill, 48 Bits, 400RPM \| 39 screw bits plus 9 drill bits, 5 torque levels 0.1-3 N.m, 400 RPM; drills and drives on PC, phone, laptop, drone](https://best-deals.pro/visit/xtool-selected-emg21-cordless-engraving-pen) - [xTool Selected Cordless Soldering Iron Kit, 7s Heat-up, 3 C210 Tips, 842F \| 2600mAh USB-C rechargeable, 392-842F stepless temp, aluminum body and stand; for PCB, wire, jewelry and wood burning](https://best-deals.pro/visit/xtool-selected-emg21-cordless-engraving-pen) ## Images ![xTool Selected EMG21 Cordless Engraving Pen, 5-Speed, 40 Bits — 1](https://best-deals.pro/i/XLS5lZTVVGEW-K18jTTJfU4-y4pHKAh1lAkrMf1phDr9kR2pijinc8mCJV0lnr2pNOHN99wSIaqci5iz_nx9eV13aXqfK-l1H2MBTGgZU5Ny8mFqq9AmjaXb.jpg) ![xTool Selected EMG21 Cordless Engraving Pen, 5-Speed, 40 Bits — 2](https://best-deals.pro/i/OzM8ShsUIHQh7kAL3Iweb9NUPWjCgAL53vtgQqpVrxRTyBLrlbWeuijsO-QkXli7oM7fSLIwQKF-8q8EaM5CToNvKPCTFAg8Zro1SwTx0JwRg26CYq7XE5xR.jpg) ![xTool Selected EMG21 Cordless Engraving Pen, 5-Speed, 40 Bits — 3](https://best-deals.pro/i/ccdiu8-x6Of3nW7GCT6N2FP4RTl1wlsndAnTaQFLhOndnsP8bAQh56Q08UA-qaIjL5p3cwwTcT2o_Z8kjqy850pstReVsMxG-LUdTYF_YJWu4mfG7Y566Ytz.jpg) ![xTool Selected EMG21 Cordless Engraving Pen, 5-Speed, 40 Bits — 4](https://best-deals.pro/i/92hzN_HaOXxtkfkKVwDOLIQSRIjRxgIaj3HnsfLghQblQm6fgw1RYlg07aQ8w6EMnPUO7JOqZn7qry09Hasr-dFvGt5lh41T3JSKEjvg21QhMjuL22ftGQXp.jpg) ![xTool Selected EMG21 Cordless Engraving Pen, 5-Speed, 40 Bits — 5](https://best-deals.pro/i/4QjGfvVV_ybuD-igOeKCgy2KIwICwsWXFAv8yhfzCxJZG-KT7Ny7PZOkH9iaHB1PxZZujAVBjCgQlc7qnBMtCSu35ftUv-jRcU81_lX1ljK_ppGY9W6VbOfI.jpg) ![xTool Selected EMG21 Cordless Engraving Pen, 5-Speed, 40 Bits — 6](https://best-deals.pro/i/9JYMxb4H2GcAWT3UXxKN3Yk1LpKnXVDRZtvA9awQFCFPtwFrZRHNiM4EVkKo0V02Ac6rVcUPOuKM6H735rQ6nk0EYmSrYBxXcC7z3Ct_Ztmw02bpAXuOkpwP.jpg) ![xTool Selected EMG21 Cordless Engraving Pen, 5-Speed, 40 Bits — 7](https://best-deals.pro/i/L0lYQYA0Pd77PDnArDkIXdhaJmcXSBxwzoiNlLSfVA7v7ra7KAL3KLDVvx-baW0-kan02wmaxcKW3DkINsOw9kaV43BFLd18EzaesYvYIDjy3wWFddJ9SiE7.jpg)