SKU: 98309051824

DEWALT 20V MAX* XR Cordless Rotary Polisher DCM849B 7-Inch Variable Speed Brushless Motor Bare Tool

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Description

DEWALT 20V MAX* XR Cordless Rotary Polisher DCM849B 7-Inch Variable Speed Brushless Motor Bare ToolAchieve Flawless Finishes Anywhere with Cordless Freedom and XR Power! Cut the cord and unlock professional grade shine with the DEWALT 20V MAX* XR 7 in. Cordless Variable Speed Rotary Polisher (DCM849B). Powered by a high efficiency brushless motor, this polisher is designed to maximize runtime and performance for everything from automotive detailing to marine fiberglass restoration. Its variable speed control, spanning 800 2,200 RPM, allows for

Achieve Flawless Finishes Anywhere with Cordless Freedom and XR® Power!

Cut the cord and unlock professional-grade shine with the DEWALT 20V MAX* XR® 7 in. Cordless Variable-Speed Rotary Polisher (DCM849B). Powered by a high-efficiency brushless motor, this polisher is designed to maximize runtime and performance for everything from automotive detailing to marine fiberglass restoration. Its variable speed control, spanning 800-2,200 RPM, allows for precise speed matching to every step of your application, ensuring a defect-free, mirror-like finish on headlights, windshields, gelcoat, and paint.

The thoughtful design includes a rubber gear case overmold to reduce surface imperfections if contact is made and improve your grip. With the flexibility to be held by the front grip or the included side/bail handles, you maintain maximum comfort and control over large surfaces. Experience the true power and portability of the DEWALT 20V MAX* system.

**Battery and charger sold separately.

Key Features

  • Brushless Motor: Provides efficient performance, extended runtime, and long tool life.
  • Variable Speed Control: Features a dial and trigger for superior control, ranging from 800 to 2,200 RPM.
  • 7 in. Backing Plate: Recommended standard size for a wide range of detailing and polishing applications.
  • Cordless Freedom: Eliminates the risk of cord-induced scratches and allows for greater mobility on large projects.
  • Rubber Gear Case Overmold: Protects delicate surfaces and provides an enhanced, non-slip grip.
  • Dual Handle Options: Includes both a Side Handle and a Bail Handle for optimized user comfort and control.
  • Versatile Applications: Ideal for polishing cars, trucks, boats, headlights, fiberglass, and gelcoat.

What's Included

  • (1) DCM849 Cordless Rotary Polisher
  • (1) 7 in. Backing Plate
  • (1) Side Handle
  • (1) Bail Handle

Specifications

Specification Detail
Model Number DCM849B
Power Source Cordless
Voltage 20V MAX*
Motor Type Brushless
No Load Speed (RPM) 800-2200
Disc Diameter 7 in. (180 mm)
Spindle Thread 5/8 in - 11
Product Weight 4.8 lbs (Tool Only)
Product Length 17.1 in
Switch Type Variable Speed Trigger & Dial

 

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SKU: 98309051824

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Karen T. Mcneely
Carnegie, US
★★★★★ 2
Just linear
Format: Paperback
I appreciate that it helps to organize the chaos of information, but I just used the template verbatim with my manager and it did not go very well. He said this linear approach does not work anymore with high-level corporate audiences. They want to cut right to the chase and start to dig into the deep details. This layout with simple images, even if you just pull away the map and anchor slides, makes the storytelling too much like a story, not giving enough credit to the speed at which certain audiences can and do process data on a slide. It was an interesting exercise and I still think this linear layout works in some cases. Just not if you are trying to communicate business case or other C-suite type of information.
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Reviewed in the United States on March 4, 2021
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Pen Name
Carnegie, US
★★★★★ 5
Excellent AI security book
Format: Paperback
A necessary book for those who in work in the AI Security field. It is easy to read and easy to follow along with practice labs. The author did a good job incorporating the breadth of AI threats.
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Reviewed in the United States on January 10, 2026
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TheTechGuyz
Belleville, US
★★★★★ 5
A good book for Cyber Professionals
Format: Paperback
A very good book, I absolutely love how it gives security professionals much needed AI security insights.
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Reviewed in the United States on January 16, 2026
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Steve Wilson
San Leandro, US
★★★★★ 5
In-depth and highly technical!
Format: Paperback
"Adversarial AI Attacks, Mitigations, and Defense Strategies" by John Sotiropoulos is a must-have resource for cybersecurity professionals navigating the complexities of AI security. This book is an incredibly in-depth guide that tackles the intricate details of defending AI systems from adversarial attacks. It’s highly technical, making it an excellent choice for those with a solid background in cybersecurity, machine learning, and system administration. Sotiropoulos doesn’t shy away from the details, providing comprehensive code examples, system admin settings, and scripts that are invaluable for practical implementation. One of the standout aspects of this book is its coverage of both predictive and generative AI. This dual focus ensures that readers are well-equipped to handle security challenges across different AI applications. Whether you're dealing with machine learning models in a predictive context or exploring the relatively newer field of generative AI, this book has you covered. If you’re looking for a technical, hands-on approach to securing AI systems, this book is an essential addition to your library.
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Reviewed in the United States on August 12, 2024
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Niti Sharma
Port Orchard, US
★★★★★ 4
Good and thorough!
Format: Paperback
I was amazed to see a thick book arriving in the package and spent quite some time reading this. The book is so hands-on. I build agentic systems at work and going through these concepts felt good. My only complaint is that the code snippets are not up to date for which I had to edit my code several times.
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