SKU: 51005884874

Diablo 3-1/2 Inch Demo Demon Bi-Metal Oscillating Multi-Tool Blade for General Purpose Nail-Embedded Wood Metal Plastic Universal Fit DOU350RBGP

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Description

Diablo 3-1/2 Inch Demo Demon Bi-Metal Oscillating Multi-Tool Blade for General Purpose Nail-Embedded Wood Metal Plastic Universal Fit DOU350RBGPAchieve Maximum Efficiency with Diablos 3 1 2" Demo Demon Bi Metal Blade Featuring 5X Longer Tool Life The Diablo DOU350RBGP 3 1 2" Demo Demon Bi Metal Oscillating Blade is the ultimate solution for professionals requiring a wide, stable cutting surface for general purpose demolition. Engineered with an ultra hardened cutting edge, this blade delivers up to 5X longer life than standard blades, allowing you to power through nail embedded wood, clean

Achieve Maximum Efficiency with Diablo’s 3-1/2" Demo Demon Bi-Metal Blade Featuring 5X Longer Tool Life

The Diablo DOU350RBGP 3-1/2" Demo Demon™ Bi-Metal Oscillating Blade is the ultimate solution for professionals requiring a wide, stable cutting surface for general-purpose demolition. Engineered with an ultra-hardened cutting edge, this blade delivers up to 5X longer life than standard blades, allowing you to power through nail-embedded wood, clean wood, metal, and plastics without frequent blade swaps. Its substantial 3-1/2 inch width is perfect for long, straight cuts in drywall or flooring, providing the stability needed for straight-line accuracy that narrower blades simply cannot match.

Precision is guaranteed by Diablo’s specialized Curve Contact Edge, which creates a pilot for stable, clean plunge cuts with significantly reduced tool vibration. To ensure peak performance during high-heat applications, the blade is treated with Black I.C.E. (Industrial Cooling Element) coating, which shields the teeth from friction and wear. The adapter-free universal fit design ensures seamless compatibility with most major corded and cordless multi-tools from Milwaukee, DeWalt, Makita, and more. Whether you are performing flush cuts on door jambs or aggressive demolition in mixed materials, the DOU350RBGP provides the durability and speed required for the toughest jobsites.

Key Features

  • Extreme Durability: Ultra-hardened cutting edges provide up to 5X longer life versus standard bi-metal blades.
  • Wide 3-1/2" Cutting Surface: Ideal for long, straight cuts and increased stability in large-scale demolition.
  • Curve Contact Edge: Facilitates precise, clean plunge starts with significantly less vibration.
  • Black I.C.E. Technology: Proprietary industrial cooling coating protects against heat build-up and edge wear.
  • Universal Interface: Adapter-free design fits most major tool brands including DeWalt, Milwaukee, and Makita (not compatible with Starlock).
  • Multi-Material Mastery: Optimized for high-performance cutting in nail-embedded wood, PVC, and light metals.

What's Included

  • (1) Diablo 3-1/2" Demo Demon™ Bi-Metal Oscillating Tool Blade (DOU350RBGP)

Specifications

Brand Diablo Tools
Model Number DOU350RBGP
Width of Cut 3-1/2 Inches
Cutting Depth 1 Inch
Tooth Design Bi-Metal
Blade Coating Black I.C.E.™
Interface Type Universal Fit (Adapter-Free)
Edge Design Curve Contact Edge
Primary Application General Purpose / Demolition
Pack Quantity 1
Condition New

Pro-Tip: Because of the wider 3-1/2" surface area, this blade is susceptible to heat build-up if pushed too hard. For the longest life, use a moderate speed setting and move the tool in a slight "fan" motion while cutting. This helps the Black I.C.E. coating clear debris and keeps the teeth cool, ensuring you get the maximum 5X life while maintaining a perfectly straight line.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 51005884874

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4.2 ★★★★★
Based on 16 reviews
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D
Verified Purchase
Dan Y
Lake Worth, US
★★★★★ 5
Easy to use
Easy to assemble. Works as advertised
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 14, 2026
J
Verified Purchase
JudeBlack
Draper, US
★★★★★ 5
Came in skeptical, but it's GREAT!
I read all the bad reviews I could on this thing and considered it an acceptable risk considering the price. Assembly was easy and the instructions were fair. Not amazing, but once you handle the edger, the gist is clear. I was skeptical overall that the horsepower and plastic guard weren't going to be enough. I ran it for nearly 45min stopping every 5 or so to check the blade and guard. It stayed tight and I was able to manually turn the blade to make sure it was working right. My front yard and sidewalk have been neglected for a few years. I would sometimes edge it out with the weed Wacker, but couldn't get it as clean as I wanted without breaking a LOT of line. When I was done, I noticed the guard had a lot of soil and grass buildup that I was able to take out easily with my fingers. There were a few times I scraped the sidewalk edge, but the blade is still solid and ready for more! I was surprised at the quality and as you're going over an area, it feels solid and not squirly or out of control. My uses are going to be mostly suburban maintenance on my own yard. If I had more land or something bigger, I would consider something larger. For my yard and purposes, this edger is going to work just fine! Did not notice any issues with the blade getting loose, but stayed aware of it. There is a lock nut that keeps it in place. I imagine over time and switching blades, this is going to lose its locking function, but I already see amazon has replacement blades that come with new lock nuts!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 5, 2025
M
Verified Purchase
Me
Port Orchard, US
★★★★★ 1
Amazon
Amazon is wonderful. Edger is not good. Just let you know. Black and Decker very good edger. I should have known. It’s worth trying Amazon. They returned it back quickly, money back. So, I bought from Amazon Black and Decker LE760FF, from them. It worked great, like B&D has the experience to build Edgers.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 30, 2023
S
Verified Purchase
Sherid94
Pawtucket, US
★★★★★ 5
Works great, easy assembly and no issues!
Using the weedeater for edging was too hard, so I purchased this. It works great! It was easy to assemble and easy to use. My lines are perfect, but the size, durability, and power of this gem get the job done, and it's lightweight enough that I can easily maneuver it around the yard. I chose a corded one so I don't have to deal with battery life or charging.
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Reviewed in the United States on September 26, 2025
M
Verified Purchase
M Spring
Los Angeles, US
★★★★★ 5
Great Edger for the Price
I’ve had no issues at all with this lawn edger. For the price point and the amount of edging I need to do, it works great. It has plenty of power and gets the job done cleanly. Just make sure you have a long enough extension cord for your yard or projects. Overall, no complaints—solid product and an easy 5 stars from me.
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Reviewed in the United States on November 15, 2025

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