Gardner Bender GDT-3190 Digital Multimeter Install this unit in a

Install this unit in a flat ceiling only

Liquid hardener included

INCLUDES- 1/4-inch-high speed upcut spiral bit

5/8”-11 arbor

Longer jaws grip better

Gardner Bender GDT-3190 Digital Multimeter Install this unit in aThis Gardner Bender digital multimeter is professionally engineered for accurate and precise readings. Featuring an easy to read 3. 5 inch digital display, rubber housing for a steadfast and comfortable grip, four testing functions, low battery indicator with auto off function, drop resistant to 6 ft., crush rated to 150 lbs., snap in probes, and UL & CSA certifications this multimeter is designed to work on most household appliances.