13pcs Electrician's Hole Saw Kit

Inch Size: 3/4", 7/8", 1-1/8", 1-3/8", 1-1/2", 1-3/4", 2", 2-1/4", 2-1/2"

Metric Size: 19-22-29-35-38-44-51-57-64mm

Mandrel: 3/8" hex, 7/16" hex

Extension: 300mm

Application: Cutting stainless steel and other materials like pipe, nail-embeded wood, hard wood, plywood and plastics, aluminum