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Stanley Recalls Stud Sensors Due To Shock Hazard

June 26, 2009

Stanley stud sensor 400On April 7, 2009 The Stanley Works, of New Britain, CT and Solarwide Industrial Ltd., of Hong Kong recalled approximately 78,000 Stanley® Stud Sensors 200 and Stanley® FatMax® Stud Sensors 400. The stud sensor can fail to calibrate properly and detect AC electrical wires behind the wall, posing a shock hazard to the user. No incidents or injuries have been reported.

The recalled stud sensor models include the Stanley® Stud Sensor 200 and Stanley® FatMax® Stud Sensor 400 with model numbers 77-720 and 77-730. The model number is located in a slide-out reference guide found in the base of the sensor’s handle. The sensors are made of black plastic with a wide yellow stripe down the center. “Stanley” or “FatMax” are printed on the front of the product. A date code is printed on the inside of the battery cover. Affected sensors have date codes that do not begin with the letter “R.”

These units were sold at home improvement and hardware stores nationwide from November 2007 through January 2009 for between $20 and $30. They were manufactured in Hong Kong.

You should contact Stanley to determine if their stud sensor is included in the recall and to receive a free replacement sensor. For additional information, contact Stanley toll-free at (866) 215-1132 between from 8 a.m. and 5 p.m. ET Monday through Friday, visit the firm’s Web site at or e-mail Stanley at

Stanley stud sensor 200


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