... -9/16”)833-1/465mm(2-9/16”)933-21/3265mm(2-9/16”)103465mm(2-9/16”)1134-1/265mm(2-9/16”)Overall ... LengthZinc Alloy Base to fit hole saw33,43,53,63,67 ... screwAl Alloy Base to fit hole saw 33,43,53,63,67,73,83mm with hex screwAl Alloy Base to fit ... screwAl Alloy Base to fit hole saw 33,43,53,63,67,73,83,93,103mm with hex screwCarbide Tipped Arbor ...