Cuts 2"-20" (51-508 mm) holes in sheet metal including up to 20 gauge galvanized steelCommonly used by HVACR and Roofing ProfessionalsCombination English/Metric diameter gaugeHigh-speed bearings assure perfect cutting balance and a long cutting lifeInstalls into the chuck of a standard electric drill as small as 1/4-inchMade in the USA

Cuts 2"-20" (51-508 mm) holes in sheet metal including up to 20 gauge galvanized steelCommonly used by HVACR and Roofing ProfessionalsCombination English/Metric diameter gaugeHigh-speed bearings assure perfect cutting balance and a long cutting lifeInstalls into the chuck of a standard electric drill as small as 1/4-inchMade in the USA