Hole Saw Metal Holesaw Cutter for Aluminum Iron Wood 18/19/20MM Saw Tooth Drill Bits Cutter Power Tool Metal Holes Drill

Material: high speed steel Color (specification): diameter 18/19/20MM Applicable: wood/plastic/gypsum board/iron sheet features 1: It is forbidden to use on concrete, glass, brick wall, stainless steel and other materials 2: The hole opening material must be fixed well without shaking, and it must be perpendicular to the hole opener at 90° 3: It needs to be used with electric drill/bench drill Package list: hole opener*1