FEIN MultiMaster FMM350Q

By Robert Robillard on Tool Reviews

FEIN MultiMaster FMM350Q

Other Observations:

I like that FEIN has the variable speed dial recessed at the rear of the tool, protected and out of the way.  This prevents the users hands from inadvertently changing the variable speed settings when manipulating the tool in certain applications.

The 13-foot cord is thick, durable, and has a heavy duty strain boot at the end of the tool.

The accessory change lever opens and locks closed securely and  holds the accessories solid.  Once locked there is no accessory movement whatsoever.

Using The FEIN FMM350Q

Changing accessories witht he FMM350Q is a breeze.   The QuickIN blade changing with FEIN Star Technology (FST) ensures that blades and accessories are secure, and the no tolerance star lock fit allows maximum energy transfer into the blade. 

Changing the accessories is easy enough by lifting a lever and removing a pin. My only concern with the pin is it can be lost.  I work on staging a lot and if the pin falls 20 feet to the ground in a flower bed, and can’t be located the tool is now inoperable until I order a new pin.

FEIN MultiMaster FMM350Q


With accessories specifically designed for specific applications, the Fein MultiMaster saves a great deal of time and effort in all job site applications.

The FEIN FMM 350Q Start Kit comes with:

  • FMM 350Q MulitMaster
  • Nylon bag
  • Universal 152 blade,
  • Un-perforated triangle sanding pad
  • Three sheets of each 80, 120, and 180 grit triangle sandpaper


  • High performance 350-watt motor
  • Soft start motor
  • Quick-IN blade changing
  • Electronic speed control
  • Variable-speed from 11,000-19,500 OPM
  • Designed for continuous use
  • 18.5 x 5.2 x 9 inches
  • Cutting  through a small angle. [.2 to 1.7 degree angular range]
  • 13-foot industrial-quality cord
  • Mechanical interface for stationary use in a table support or depth stop.

Overall Impression:

It’s truly a  multipurpose tool that performs each of its tasks as if it were dedicated to that function alone, while providing great results for your basic renovation needs.

high-precision oscillating tool

The Fein MultiMaster is the ultimate all-in-one system for renovation, restoration, and interior work.  A “Fein” tool indeed!

How Much and Where To Buy?

The FEIN FMM 350Q sells on line here for $ 199.00:  Fein-FMM-350Q-START-BAG


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About the author

Robert Robillard

Carpenter / Remodeler / Editor

Rob Robillard is “The Concord Carpenter” Rob is a builder, general contractor, carpenter, woodworker, and editor of Concord Carpenter and ToolBoxBuzz As a General Contractor and carpenter, Rob owns and operates Concord Carpenter LLC. A full-service remodeling and construction company. Rob is a recognized leader in home building best practices and a source for how-to information for building professionals. On this website, Rob covers all aspects of home construction, building science, home improvement, woodworking, remodeling, and some of the best product and tool reviews. Rob is in charge of our Tool and Product Review series - Concord Carpenter Videos where we post all of our tool reviews and video tutorials. Rob approaches remodeling and building construction with a pragmatic and problem-solving approach. He enjoys using his knowledge and experience to help and educate building professionals as well as DIYers on best practices in the construction and remodeling industry. He's a strong advocate for "raising the bar" in the construction trades and promoting the trades to youth. #BeAMentor #Green2Great Craftsmanship, quality, and pride guide his journey on this channel The Concord Carpenter's motto: "Well done is better than well said!" : Read more about Rob

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