Harbor Freight Tools


20V Brushless Cordless Variable Speed Oscillating Multi-Tool - Tool Only

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Get the speed of corded with this cordless brushless oscillating multi-tool that delivers longer life, extended runtime, and more power

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The BAUER™ 20V Brushless Cordless Oscillating Multi-Tool features a high-performance brushless motor and 2.9° oscillation angle range for quick and accurate cuts. Variable speed control matches oscillation speed to application. The universal tool head accepts most OMT accessories on the market.

  • Brushless motor delivers more power and longer runtime
  • 2.9° oscillation angle range provides quick and accurate cuts
  • 6 speed variable control dial matches speed to application
  • Comfortable rubberized grip offers maximum comfort with less fatigue
  • Universal quick-change tool head works with accessories from BAUER™, HERCULES, WARRIOR, MILWAUKEE, DEWALT, DREMEL, and more
  • LED light for clear view in dark areas

Important Information

  • Accessories sold separately. Tool only - BAUER™ 20V lithium-ion battery and charger sold separately. BAUER, HERCULES, and WARRIOR are trademarks of Harbor Freight Tools. All brands are the intellectual property of their respective owners.

We think you’ll enjoy these customer-made YouTube videos about our products. They’re independent, uncut and unsponsored. They may also contain some four-letter words that aren’t “tool” and other content that’s not appropriate for children. We hope these videos help inform your tool-buying decisions. And a note from the lawyers: Products should always be used in accordance with the owner’s manual.

Battery type
Battery voltage (volts)
Battery(s) Included
Speed (max)
8000-20,000 OPM
Product Height
4-1/2 in.
Product Length
12-1/4 in.
Product Weight
2.4 lb.
Product Width
2-1/2 in.
Shipping Weight
2.65 lb.
CA Residents
Warning - Prop 65 Info
Note: Specifications are approximate and subject to change

We guarantee this product to be free from defects in materials and workmanship 90 days from the date of purchase. Limitations apply.