Malco HC1 2-Inch-to-12-Inch Sheet Metal Hole Cutter Accessory for 1/4-Inch or Larger Drill Online Reviews.
This compact original Malco hole cutter adjusts for cutting 2'' to 12'' holes in galvanized sheet metal. It will install into the chuck of a standard electric drill. It features a lightweight aluminum frame and high speed bearings at top and bottom of drill shaft to assure perfect cutting balance and long cutting life. 20 gauge capacity.