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Malco HC1 2-Inch-to-12-Inch Sheet Metal Hole Cutter Accessory for 1/4-Inch or Larger Drill
Cuts 2"-12" (51-305 mm) holes in sheet metal including up to 20 gauge galvanized steel
Commonly used by HVACR and Roofing Professionals
Combination English/Metric diameter gauge
High-speed bearings assure perfect cutting balance and a long cutting life
Installs into the chuck of a standard electric drill as small as 1/4-inch
Made in the USA