Drills clean wood, nail-embedded wood, plastic, aluminum, metal, cast iron and stainless steel. 60 mm (2-3/8Inch) cutting depth for 40 percent deeper holes in 1 pass and increased productivity. delivers faster cutting performance and increased productivity versus standard Bi Metal hole saws. this set includes a heavy duty durable case for easy and convenient storage of hole saws. 1 size fits all mandrel and diablo saws from 5/8Inch to 6 inches diameter. tool free plug ejection for fast material removal. variable tooth design provides faster cuts with less vibration. includes: (10 cups) size: 7/8Inch 1 inch, 1-1/8Inch, 1-3/8Inch, 1-1/2Inch, 1-3/4Inch, 2 inches, 2-1/8Inch, 2-1/2Inch and 2-9/16Inch. also includes mandrel, pilot bit and (2) adaptor nuts.