Fein Multimaster RS
Encyclopedia
The Fein MultiMaster RS is a variable speed oscillating tool
Multi-tool (powertool)
Multi-tool is a common name for an oscillating Power tool powered by battery or mains. The name "multi-tool" is a reference to the many functions that this tool can perform with the range of attachments available. So far there are tools available to saw, sand, rasp, grind, scrape, cut and...

 for cutting, sanding and grinding. It is produced by C. & E. Fein GmbH
Fein (company)
C. & E. Fein GmbH is a manufacturer of high-end power tools founded in 1867 by Wilhelm Emil Fein and his brother Carl Fein. They are located in Stuttgart, Germany. Fein became famous for their grinders, electric screwdrivers and the Fein Multimaster RS. Fein invented the hand-held electric drill in...

 along with a broad assortment of accessories.

When Fein's patent expired in October 2008 other tool makers started creating similar products, such as the Dremel
Dremel
Dremel is a brand of power tools known primarily for their rotary tools. The tools were originally developed by Albert J. Dremel, who founded the Dremel Company in 1932 in Racine, Wisconsin. In 1993, the company was purchased by Robert Bosch GmbH, and today it is a division of the Robert Bosch Tool...

 Multi-Max, Bosch
Robert Bosch GmbH
Robert Bosch GmbH is a multinational engineering and electronics company headquartered in Gerlingen, near Stuttgart, Germany. It is the world's largest supplier of automotive components...

 PS50 Multi-X, Rockwell Sonicraft, and Proxxon Delta Sander.

Description

The MultiMaster oscillates at 200–350 Hz
HZ
Hz is the International Standard symbol for Hertz, the unit of frequencyHZ may also stand for:* Habitable zone, the distance from a star where a planet can maintain Earth-like life* Hamilton Zoo, in New Zealand...

(11,000–20,000 oscillations per minute).

During the oscillating action, the fitted accessory moves along a minimal arc of 3.2 angular degrees. This allows for a greater degree of control by the operator as the lower torque means the tool has less power to move itself per oscillation, increasing safety while still completing the task at hand.
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